diff --git a/code/datums/diseases/advance/symptoms/beard.dm b/code/datums/diseases/advance/symptoms/beard.dm
index b537c31edac..0b7280c6a5f 100644
--- a/code/datums/diseases/advance/symptoms/beard.dm
+++ b/code/datums/diseases/advance/symptoms/beard.dm
@@ -32,5 +32,5 @@
 		if(index > 0 && H.facial_hairstyle != beard_order[index])
 			to_chat(H, span_warning("Your chin itches."))
 			H.facial_hairstyle = beard_order[index]
-			H.update_hair(is_creating = TRUE)
+			H.update_body_parts()
 
diff --git a/code/datums/diseases/advance/symptoms/shedding.dm b/code/datums/diseases/advance/symptoms/shedding.dm
index fe199c60ce3..344bb9df603 100644
--- a/code/datums/diseases/advance/symptoms/shedding.dm
+++ b/code/datums/diseases/advance/symptoms/shedding.dm
@@ -45,4 +45,4 @@
 		H.hairstyle = "Bald"
 	else
 		H.hairstyle = "Balding Hair"
-	H.update_hair(is_creating = TRUE)
+	H.update_body_parts()
diff --git a/code/datums/dna.dm b/code/datums/dna.dm
index e26ab639747..a8a7f735f8d 100644
--- a/code/datums/dna.dm
+++ b/code/datums/dna.dm
@@ -662,8 +662,8 @@ GLOBAL_LIST_INIT(total_uf_len_by_block, populate_total_uf_len_by_block())
 		external_organ.mutate_feature(features, src)
 
 	if(icon_update)
-		dna.species.handle_body(src) // We want 'update_body_parts()' to be called only if mutcolor_update is TRUE, so no 'update_body()' here.
-		update_hair(is_creating = TRUE)
+		dna.species.handle_body(src) // We want 'update_body_parts(update_limb_data = TRUE)' to be called only if mutcolor_update is TRUE, so no 'update_body()' here.
+		update_body_parts() //We can call this because it doesnt refresh limb data, and it handles hair and such.
 		if(mutcolor_update)
 			update_body_parts(update_limb_data = TRUE)
 		if(mutations_overlay_update)
diff --git a/code/datums/quirks/neutral.dm b/code/datums/quirks/neutral.dm
index f2c92bf4345..dd4bf64ec92 100644
--- a/code/datums/quirks/neutral.dm
+++ b/code/datums/quirks/neutral.dm
@@ -294,7 +294,7 @@
 	var/mob/living/carbon/human/human_holder = quirk_holder
 	old_hair = human_holder.hairstyle
 	human_holder.hairstyle = "Bald"
-	human_holder.update_hair(is_creating = TRUE)
+	human_holder.update_body_parts()
 	RegisterSignal(human_holder, COMSIG_CARBON_EQUIP_HAT, .proc/equip_hat)
 	RegisterSignal(human_holder, COMSIG_CARBON_UNEQUIP_HAT, .proc/unequip_hat)
 
@@ -314,7 +314,7 @@
 	. = ..()
 	var/mob/living/carbon/human/human_holder = quirk_holder
 	human_holder.hairstyle = old_hair
-	human_holder.update_hair(is_creating = TRUE)
+	human_holder.update_body_parts()
 	UnregisterSignal(human_holder, list(COMSIG_CARBON_EQUIP_HAT, COMSIG_CARBON_UNEQUIP_HAT))
 	human_holder.clear_mood_event("bad_hair_day")
 
diff --git a/code/game/objects/items/cosmetics.dm b/code/game/objects/items/cosmetics.dm
index f8dea081891..f08db2b7a2a 100644
--- a/code/game/objects/items/cosmetics.dm
+++ b/code/game/objects/items/cosmetics.dm
@@ -121,7 +121,7 @@
 	else
 		H.hairstyle = "Skinhead"
 
-	H.update_hair(is_creating = TRUE)
+	H.update_body_parts()
 	playsound(loc, 'sound/items/welder2.ogg', 20, TRUE)
 
 
@@ -150,7 +150,7 @@
 					if(new_style && do_after(user, 60, target = H))
 						user.visible_message(span_notice("[user] successfully changes [H]'s facial hairstyle using [src]."), span_notice("You successfully change [H]'s facial hairstyle using [src]."))
 						H.facial_hairstyle = new_style
-						H.update_hair(is_creating = TRUE)
+						H.update_body_parts()
 						return
 				else
 					return
@@ -201,7 +201,7 @@
 				if(new_style && do_after(user, 60, target = H))
 					user.visible_message(span_notice("[user] successfully changes [H]'s hairstyle using [src]."), span_notice("You successfully change [H]'s hairstyle using [src]."))
 					H.hairstyle = new_style
-					H.update_hair(is_creating = TRUE)
+					H.update_body_parts()
 					return
 
 			else
diff --git a/code/game/objects/items/dyekit.dm b/code/game/objects/items/dyekit.dm
index 0f9de8038cc..8c4db4e7f06 100644
--- a/code/game/objects/items/dyekit.dm
+++ b/code/game/objects/items/dyekit.dm
@@ -53,14 +53,5 @@
 	human_target.grad_style[gradient_key] = new_grad_style
 	human_target.grad_color[gradient_key] = sanitize_hexcolor(new_grad_color)
 	playsound(src, 'sound/effects/spray.ogg', 5, TRUE, 5)
-	human_target.update_hair(is_creating = TRUE)
-
-	//SKYRAT EDIT ADDITION
-	uses--
-
-/obj/item/dyespray/examine(mob/user)
-	. = ..()
-	. += "It has [uses] uses left."
-
-	//SKYRAT EDIT END
+	human_target.update_body_parts()
 */
diff --git a/code/game/objects/structures/mirror.dm b/code/game/objects/structures/mirror.dm
index 2d788a8e262..ed16d9e62b7 100644
--- a/code/game/objects/structures/mirror.dm
+++ b/code/game/objects/structures/mirror.dm
@@ -50,7 +50,7 @@ MAPPING_DIRECTIONAL_HELPERS(/obj/structure/mirror, 28)
 
 	hairdresser.hairstyle = new_style
 
-	hairdresser.update_hair(is_creating = TRUE)
+	hairdresser.update_body_parts()
 */
 
 /obj/structure/mirror/examine_status(mob/user)
@@ -259,7 +259,7 @@ MAPPING_DIRECTIONAL_HELPERS(/obj/structure/mirror, 28)
 					if(new_face_color)
 						amazed_human.facial_hair_color = sanitize_hexcolor(new_face_color)
 						amazed_human.dna.update_ui_block(DNA_FACIAL_HAIR_COLOR_BLOCK)
-				amazed_human.update_hair()
+				amazed_human.update_body_parts()
 				amazed_human.update_mutant_bodyparts(force_update = TRUE) /// SKYRAT EDIT - Mirrors are no longer scared of colored ears
 
 		if(BODY_ZONE_PRECISE_EYES)
diff --git a/code/modules/antagonists/blob/blob_mobs.dm b/code/modules/antagonists/blob/blob_mobs.dm
index da78d1977af..ab573071441 100644
--- a/code/modules/antagonists/blob/blob_mobs.dm
+++ b/code/modules/antagonists/blob/blob_mobs.dm
@@ -188,7 +188,7 @@
 	icon = H.icon
 	icon_state = "zombie"
 	H.hairstyle = null
-	H.update_hair(is_creating = TRUE)
+	H.update_body_parts()
 	H.forceMove(src)
 	oldguy = H
 	update_icons()
diff --git a/code/modules/antagonists/changeling/powers/mutations.dm b/code/modules/antagonists/changeling/powers/mutations.dm
index 31d3acf0368..07925de4ef6 100644
--- a/code/modules/antagonists/changeling/powers/mutations.dm
+++ b/code/modules/antagonists/changeling/powers/mutations.dm
@@ -95,7 +95,7 @@
 		H.temporarilyRemoveItemFromInventory(H.wear_suit, TRUE)
 		H.update_worn_oversuit()
 		H.update_worn_head()
-		H.update_hair(is_creating = TRUE)
+		H.update_body_parts()
 
 		if(blood_on_castoff)
 			H.add_splatter_floor()
diff --git a/code/modules/antagonists/creep/creep.dm b/code/modules/antagonists/creep/creep.dm
index 6c8e8dcda66..0479e19e989 100644
--- a/code/modules/antagonists/creep/creep.dm
+++ b/code/modules/antagonists/creep/creep.dm
@@ -41,7 +41,7 @@
 	var/mob/living/carbon/human/dummy/consistent/victim_dummy = new
 	victim_dummy.hair_color = "#bb9966" // Brown
 	victim_dummy.hairstyle = "Messy"
-	victim_dummy.update_hair(is_creating = TRUE)
+	victim_dummy.update_body_parts()
 
 	var/icon/obsessed_icon = render_preview_outfit(preview_outfit)
 	obsessed_icon.Blend(icon('icons/effects/blood.dmi', "uniformblood"), ICON_OVERLAY)
diff --git a/code/modules/antagonists/revolution/revolution.dm b/code/modules/antagonists/revolution/revolution.dm
index b6e018d7279..f54601a84c2 100644
--- a/code/modules/antagonists/revolution/revolution.dm
+++ b/code/modules/antagonists/revolution/revolution.dm
@@ -206,7 +206,7 @@
 /datum/antagonist/rev/head/proc/make_assistant_icon(hairstyle)
 	var/mob/living/carbon/human/dummy/consistent/assistant = new
 	assistant.hairstyle = hairstyle
-	assistant.update_hair(is_creating = TRUE)
+	assistant.update_body_parts()
 
 	var/icon/assistant_icon = render_preview_outfit(/datum/outfit/job/assistant/consistent, assistant)
 	assistant_icon.ChangeOpacity(0.5)
diff --git a/code/modules/antagonists/thief/thief.dm b/code/modules/antagonists/thief/thief.dm
index 3576ad97340..f7d56837db3 100644
--- a/code/modules/antagonists/thief/thief.dm
+++ b/code/modules/antagonists/thief/thief.dm
@@ -165,7 +165,7 @@
 	thief.physique = FEMALE //update_body() and gender block or something
 	thief.hair_color = "#2A71DC" //hair color dna block
 	thief.skin_tone = "caucasian2" //skin tone dna block
-	thief.hairstyle = "Bun Head 2" //update_hair()
+	thief.hairstyle = "Bun Head 2" //update_body_parts()
 	thief.dna.update_ui_block(DNA_GENDER_BLOCK)
 	thief.dna.update_ui_block(DNA_HAIR_COLOR_BLOCK)
 	thief.dna.update_ui_block(DNA_SKIN_TONE_BLOCK)
diff --git a/code/modules/client/preferences/species_features/basic.dm b/code/modules/client/preferences/species_features/basic.dm
index 1d6351313ad..057377327e8 100644
--- a/code/modules/client/preferences/species_features/basic.dm
+++ b/code/modules/client/preferences/species_features/basic.dm
@@ -66,7 +66,7 @@
 
 /datum/preference/choiced/facial_hairstyle/apply_to_human(mob/living/carbon/human/target, value)
 	target.facial_hairstyle = value
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 /datum/preference/choiced/facial_hairstyle/compile_constant_data()
 	var/list/data = ..()
@@ -83,7 +83,7 @@
 
 /datum/preference/color/facial_hair_color/apply_to_human(mob/living/carbon/human/target, value)
 	target.facial_hair_color = value
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 /datum/preference/choiced/facial_hair_gradient
 	category = PREFERENCE_CATEGORY_SECONDARY_FEATURES
@@ -97,7 +97,7 @@
 /datum/preference/choiced/facial_hair_gradient/apply_to_human(mob/living/carbon/human/target, value)
 	LAZYSETLEN(target.grad_style, GRADIENTS_LEN)
 	target.grad_style[GRADIENT_FACIAL_HAIR_KEY] = value
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 /datum/preference/choiced/facial_hair_gradient/create_default_value()
 	return "None"
@@ -111,7 +111,7 @@
 /datum/preference/color/facial_hair_gradient/apply_to_human(mob/living/carbon/human/target, value)
 	LAZYSETLEN(target.grad_color, GRADIENTS_LEN)
 	target.grad_color[GRADIENT_FACIAL_HAIR_KEY] = value
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 /datum/preference/color/facial_hair_gradient/is_accessible(datum/preferences/preferences)
 	if (!..(preferences))
@@ -160,7 +160,7 @@
 /datum/preference/choiced/hair_gradient/apply_to_human(mob/living/carbon/human/target, value)
 	LAZYSETLEN(target.grad_style, GRADIENTS_LEN)
 	target.grad_style[GRADIENT_HAIR_KEY] = value
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 /datum/preference/choiced/hair_gradient/create_default_value()
 	return "None"
@@ -174,7 +174,7 @@
 /datum/preference/color/hair_gradient/apply_to_human(mob/living/carbon/human/target, value)
 	LAZYSETLEN(target.grad_color, GRADIENTS_LEN)
 	target.grad_color[GRADIENT_HAIR_KEY] = value
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 /datum/preference/color/hair_gradient/is_accessible(datum/preferences/preferences)
 	if (!..(preferences))
diff --git a/code/modules/clothing/outfits/event.dm b/code/modules/clothing/outfits/event.dm
index e17d725d7f5..c24abb233a0 100644
--- a/code/modules/clothing/outfits/event.dm
+++ b/code/modules/clothing/outfits/event.dm
@@ -25,4 +25,4 @@
 	H.facial_hairstyle = "Beard (Full)"
 	H.hair_color = "#FFFFFF"
 	H.facial_hair_color = "#FFFFFF"
-	H.update_hair(is_creating = TRUE)
+	H.update_body_parts()
diff --git a/code/modules/mob/living/brain/brain_item.dm b/code/modules/mob/living/brain/brain_item.dm
index 23df4b90eae..3a33bf2aee4 100644
--- a/code/modules/mob/living/brain/brain_item.dm
+++ b/code/modules/mob/living/brain/brain_item.dm
@@ -46,7 +46,7 @@
 		if(brainmob && !(C.stat == DEAD || (HAS_TRAIT(C, TRAIT_DEATHCOMA))))
 			to_chat(brainmob, span_danger("You can't feel your body! You're still just a brain!"))
 		forceMove(C)
-		C.update_hair()
+		C.update_body_parts()
 		return
 
 	if(brainmob)
@@ -71,7 +71,7 @@
 		BT.on_gain()
 
 	//Update the body's icon so it doesnt appear debrained anymore
-	C.update_hair()
+	C.update_body_parts()
 
 /obj/item/organ/internal/brain/Remove(mob/living/carbon/C, special = 0, no_id_transfer = FALSE)
 	// Delete skillchips first as parent proc sets owner to null, and skillchips need to know the brain's owner.
@@ -91,7 +91,7 @@
 
 	if((!gc_destroyed || (owner && !owner.gc_destroyed)) && !no_id_transfer)
 		transfer_identity(C)
-	C.update_hair()
+	C.update_body_parts()
 
 /obj/item/organ/internal/brain/proc/transfer_identity(mob/living/L)
 	name = "[L.name]'s brain"
diff --git a/code/modules/mob/living/carbon/human/human_defense.dm b/code/modules/mob/living/carbon/human/human_defense.dm
index 868c2f55a3e..3a27ad79f2f 100644
--- a/code/modules/mob/living/carbon/human/human_defense.dm
+++ b/code/modules/mob/living/carbon/human/human_defense.dm
@@ -676,7 +676,7 @@
 				emote("scream")
 				facial_hairstyle = "Shaved"
 				hairstyle = "Bald"
-				update_hair(is_creating = TRUE)
+				update_body_parts()
 				ADD_TRAIT(src, TRAIT_DISFIGURED, TRAIT_GENERIC)
 
 		update_damage_overlays()
diff --git a/code/modules/mob/living/carbon/human/human_update_icons.dm b/code/modules/mob/living/carbon/human/human_update_icons.dm
index d4bc398fa84..50d78a6960e 100644
--- a/code/modules/mob/living/carbon/human/human_update_icons.dm
+++ b/code/modules/mob/living/carbon/human/human_update_icons.dm
@@ -16,7 +16,7 @@ Most of the time we only wish to update one overlay:
 In these cases, instead of updating every overlay using the old behaviour (regenerate_icons), we instead call
 the appropriate update_X proc.
 	e.g. - update_l_hand()
-	e.g.2 - update_hair()
+	e.g.2 - update_body_parts()
 
 Note: Recent changes by aranclanos+carn:
 	update_icons() no longer needs to be called.
@@ -41,23 +41,10 @@ There are several things that need to be remembered:
 
 >	There are also these special cases:
 		update_damage_overlays()	//handles damage overlays for brute/burn damage
-		update_body()				//Handles updating your mob's body layer and mutant bodyparts
-									as well as sprite-accessories that didn't really fit elsewhere (underwear, undershirts, socks, lips, eyes)
-									//NOTE: update_mutantrace() is now merged into this!
-		update_hair()				//Handles updating your hair overlay (used to be update_face, but mouth and
-									eyes were merged into update_body())
-
-
+		update_body_parts()			//Handles bodyparts, and everything bodyparts render. (Organs, hair, facial features)
+		update_body()				//Calls update_body_parts(), as well as updates mutant bodyparts, the old, not-actually-bodypart system.
 */
 
-//HAIR OVERLAY
-/mob/living/carbon/human/update_hair(is_creating)
-	var/obj/item/bodypart/head/my_head = get_bodypart(BODY_ZONE_HEAD)
-	if(!my_head)
-		return
-	my_head.update_limb(FALSE, is_creating)
-	update_body_parts()
-
 /* --------------------------------------- */
 //For legacy support.
 /mob/living/carbon/human/regenerate_icons()
@@ -533,7 +520,7 @@ There are several things that need to be remembered:
 			suit_overlay.pixel_x += dna.species.offset_features[OFFSET_SUIT][1]
 			suit_overlay.pixel_y += dna.species.offset_features[OFFSET_SUIT][2]
 		overlays_standing[SUIT_LAYER] = suit_overlay
-	update_hair()
+	update_body_parts()
 	update_mutant_bodyparts()
 
 	apply_overlay(SUIT_LAYER)
diff --git a/code/modules/mob/living/carbon/human/inventory.dm b/code/modules/mob/living/carbon/human/inventory.dm
index 0d5bc9e8a9c..c35cff7f399 100644
--- a/code/modules/mob/living/carbon/human/inventory.dm
+++ b/code/modules/mob/living/carbon/human/inventory.dm
@@ -385,7 +385,7 @@
 
 /mob/living/carbon/human/wear_mask_update(obj/item/I, toggle_off = 1)
 	if((I.flags_inv & (HIDEHAIR|HIDEFACIALHAIR)) || (initial(I.flags_inv) & (HIDEHAIR|HIDEFACIALHAIR)))
-		update_hair()
+		update_body_parts()
 	if(toggle_off && internal && !getorganslot(ORGAN_SLOT_BREATHING_TUBE))
 		internal = null
 	if(I.flags_inv & HIDEEYES)
@@ -395,7 +395,7 @@
 
 /mob/living/carbon/human/head_update(obj/item/I, forced)
 	if((I.flags_inv & (HIDEHAIR|HIDEFACIALHAIR)) || forced)
-		update_hair()
+		update_body_parts()
 	if(I.flags_inv & HIDEEYES || forced)
 		update_worn_glasses()
 	if(I.flags_inv & HIDEEARS || forced)
diff --git a/code/modules/mob/living/carbon/human/species.dm b/code/modules/mob/living/carbon/human/species.dm
index c589c1ece8e..c8851ab653d 100644
--- a/code/modules/mob/living/carbon/human/species.dm
+++ b/code/modules/mob/living/carbon/human/species.dm
@@ -827,7 +827,7 @@ GLOBAL_LIST_EMPTY(features_by_species)
 	human_mob.update_mutant_bodyparts()
 	//SKYRAT EDIT ADDITION END
 	human_mob.hairstyle = random_hairstyle(human_mob.gender)
-	human_mob.update_hair(is_creating = TRUE)
+	human_mob.update_body_parts()
 
 ///Proc that will randomise the underwear (i.e. top, pants and socks) of a species' associated mob
 /datum/species/proc/randomize_active_underwear(mob/living/carbon/human/human_mob)
@@ -1103,7 +1103,7 @@ GLOBAL_LIST_EMPTY(features_by_species)
 		return
 	target.facial_hairstyle = "Shaved"
 	target.hairstyle = "Bald"
-	target.update_hair(is_creating = TRUE)
+	target.update_body_parts()
 
 //////////////////
 // ATTACK PROCS //
diff --git a/code/modules/mob/living/carbon/human/species_types/ethereal.dm b/code/modules/mob/living/carbon/human/species_types/ethereal.dm
index ea03504e0c2..d0e2f97e007 100644
--- a/code/modules/mob/living/carbon/human/species_types/ethereal.dm
+++ b/code/modules/mob/living/carbon/human/species_types/ethereal.dm
@@ -77,8 +77,6 @@
 	var/obj/item/organ/internal/heart/ethereal/ethereal_heart = C.getorganslot(ORGAN_SLOT_HEART)
 	ethereal_heart.ethereal_color = default_color
 
-	//The following code is literally only to make admin-spawned ethereals not be black.
-	C.dna.features["mcolor"] = C.dna.features["ethcolor"] //Ethcolor and Mut color are both dogshit and i hate them
 	for(var/obj/item/bodypart/limb as anything in C.bodyparts)
 		if(limb.limb_id == SPECIES_ETHEREAL)
 			limb.update_limb(is_creating = TRUE)
@@ -119,7 +117,9 @@
 	else
 		ethereal_light.set_light_on(FALSE)
 		fixed_mut_color = rgb(128,128,128)
-	ethereal.update_body(is_creating = TRUE)
+	ethereal.hair_color = current_color
+	ethereal.facial_hair_color = current_color
+	ethereal.update_body()
 
 /datum/species/ethereal/proc/on_emp_act(mob/living/carbon/human/H, severity)
 	SIGNAL_HANDLER
diff --git a/code/modules/mob/living/carbon/human/species_types/felinid.dm b/code/modules/mob/living/carbon/human/species_types/felinid.dm
index 26b7eb2e1f0..017663025c1 100644
--- a/code/modules/mob/living/carbon/human/species_types/felinid.dm
+++ b/code/modules/mob/living/carbon/human/species_types/felinid.dm
@@ -127,7 +127,7 @@
 /datum/species/human/felinid/prepare_human_for_preview(mob/living/carbon/human/human_for_preview)
 	human_for_preview.hairstyle = "Hime Cut"
 	human_for_preview.hair_color = "#ffcccc" // pink
-	human_for_preview.update_hair(is_creating = TRUE)
+	human_for_preview.update_body_parts()
 
 	/* SKYRAT EDIT - Making the species menu icons work better - ORIGINAL:
 	var/obj/item/organ/internal/ears/cat/cat_ears = human_for_preview.getorgan(/obj/item/organ/internal/ears/cat)
diff --git a/code/modules/mob/living/carbon/human/species_types/humans.dm b/code/modules/mob/living/carbon/human/species_types/humans.dm
index ac73a68eff0..3dc1ca365b8 100644
--- a/code/modules/mob/living/carbon/human/species_types/humans.dm
+++ b/code/modules/mob/living/carbon/human/species_types/humans.dm
@@ -19,7 +19,7 @@
 /datum/species/human/prepare_human_for_preview(mob/living/carbon/human/human)
 	human.hairstyle = "Business Hair"
 	human.hair_color = "#bb9966" // brown
-	human.update_hair(is_creating = TRUE)
+	human.update_body_parts()
 
 /datum/species/human/get_scream_sound(mob/living/carbon/human/human)
 	if(human.gender == MALE)
diff --git a/code/modules/mob/living/carbon/human/status_procs.dm b/code/modules/mob/living/carbon/human/status_procs.dm
index c483c1a01ce..8f1077fcb63 100644
--- a/code/modules/mob/living/carbon/human/status_procs.dm
+++ b/code/modules/mob/living/carbon/human/status_procs.dm
@@ -29,7 +29,7 @@
 /mob/living/carbon/human/cure_husk(list/sources)
 	. = ..()
 	if(.)
-		update_hair()
+		update_body_parts()
 
 /mob/living/carbon/human/become_husk(source)
 	if(istype(dna.species, /datum/species/skeleton)) //skeletons shouldn't be husks.
@@ -37,4 +37,4 @@
 		return
 	. = ..()
 	if(.)
-		update_hair()
+		update_body_parts()
diff --git a/code/modules/mod/mod_activation.dm b/code/modules/mod/mod_activation.dm
index 5216a159f6c..5affcaba332 100644
--- a/code/modules/mod/mod_activation.dm
+++ b/code/modules/mod/mod_activation.dm
@@ -218,7 +218,7 @@
 		wearer.update_worn_head()
 		wearer.update_worn_mask()
 		wearer.update_worn_glasses()
-		wearer.update_hair()
+		wearer.update_body_parts()
 
 /// Finishes the suit's activation, starts processing
 /obj/item/mod/control/proc/finish_activation(on)
diff --git a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
index 6201c3e7f11..f7784e72adb 100644
--- a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
@@ -2014,10 +2014,10 @@ All effects don't start immediately, but rather get worse over time; the rate is
 			continue
 		is_between_the_sheets = TRUE
 		break
-		
+
 	if(!drinker.IsSleeping() || !is_between_the_sheets)
 		return
-	
+
 	if(drinker.getBruteLoss() && drinker.getFireLoss()) //If you are damaged by both types, slightly increased healing but it only heals one. The more the merrier wink wink.
 		if(prob(50))
 			drinker.adjustBruteLoss(-0.25 * REM * delta_time)
@@ -2396,12 +2396,12 @@ All effects don't start immediately, but rather get worse over time; the rate is
 		if(metabolizer.age > 70)
 			metabolizer.facial_hair_color = "#cccccc"
 			metabolizer.hair_color = "#cccccc"
-			metabolizer.update_hair(is_creating = TRUE)
+			metabolizer.update_body_parts()
 			if(metabolizer.age > 100)
 				metabolizer.become_nearsighted(type)
 				if(metabolizer.gender == MALE)
 					metabolizer.facial_hairstyle = "Beard (Very Long)"
-					metabolizer.update_hair(is_creating = TRUE)
+					metabolizer.update_body_parts()
 
 				if(metabolizer.age > 969) //Best not let people get older than this or i might incur G-ds wrath
 					metabolizer.visible_message(span_notice("[metabolizer] becomes older than any man should be.. and crumbles into dust!"))
diff --git a/code/modules/reagents/chemistry/reagents/drug_reagents.dm b/code/modules/reagents/chemistry/reagents/drug_reagents.dm
index 27bd1c0a609..22fd95820bc 100644
--- a/code/modules/reagents/chemistry/reagents/drug_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/drug_reagents.dm
@@ -121,7 +121,7 @@
 			var/mob/living/carbon/human/H = M
 			H.facial_hairstyle = "Shaved"
 			H.hairstyle = "Bald"
-			H.update_hair(is_creating = TRUE) // makes you loose hair as well
+			H.update_body_parts() // makes you loose hair as well
 			M.set_species(/datum/species/human/krokodil_addict)
 			M.adjustBruteLoss(50 * REM, 0) // holy shit your skin just FELL THE FUCK OFF
 	..()
@@ -708,7 +708,6 @@
 			druggy_dna.species.species_traits -= NOBLOODOVERLAY
 
 	invisible_man.update_body()
-	invisible_man.update_hair()
 	invisible_man.sound_environment_override = NONE
 
 	if(!invisible_man.hud_used)
diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index 05c8dfa831e..90c90c71ac1 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -1093,7 +1093,7 @@
 	var/mob/living/carbon/human/exposed_human = exposed_mob
 	exposed_human.hair_color = "#CC22FF"
 	exposed_human.facial_hair_color = "#CC22FF"
-	exposed_human.update_hair()
+	exposed_human.update_body_parts()
 	// SKYRAT EDIT ADDITION BEGIN
 	exposed_human.update_mutant_bodyparts(force_update=TRUE)
 	// SKYRAT EDIT END
@@ -1467,7 +1467,7 @@
 		return
 	exposed_human.hair_color = "#9922ff"
 	exposed_human.facial_hair_color = "#9922ff"
-	exposed_human.update_hair()
+	exposed_human.update_body_parts()
 
 /datum/reagent/medicine/polypyr/overdose_process(mob/living/M, delta_time, times_fired)
 	M.adjustOrganLoss(ORGAN_SLOT_LUNGS, 0.5 * REM * delta_time)
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index a5940178d5e..0dc82ae2731 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -2188,7 +2188,7 @@
 	var/mob/living/carbon/human/exposed_human = exposed_mob
 	exposed_human.hair_color = pick(potential_colors)
 	exposed_human.facial_hair_color = pick(potential_colors)
-	exposed_human.update_hair()
+	exposed_human.update_body_parts()
 
 /datum/reagent/barbers_aid
 	name = "Barber's Aid"
@@ -2210,7 +2210,7 @@
 	to_chat(exposed_human, span_notice("Hair starts sprouting from your scalp."))
 	exposed_human.hairstyle = picked_hair
 	exposed_human.facial_hairstyle = picked_beard
-	exposed_human.update_hair(is_creating = TRUE)
+	exposed_human.update_body_parts()
 
 /datum/reagent/concentrated_barbers_aid
 	name = "Concentrated Barber's Aid"
@@ -2230,7 +2230,7 @@
 	to_chat(exposed_human, span_notice("Your hair starts growing at an incredible speed!"))
 	exposed_human.hairstyle = "Very Long Hair"
 	exposed_human.facial_hairstyle = "Beard (Very Long)"
-	exposed_human.update_hair(is_creating = TRUE)
+	exposed_human.update_body_parts()
 
 /datum/reagent/concentrated_barbers_aid/on_mob_life(mob/living/carbon/M, delta_time, times_fired)
 	. = ..()
@@ -2252,7 +2252,7 @@
 		else
 			message = span_notice("Your scalp mutates, a full head of hair sprouting from it.")
 		to_chat(M, message)
-		human_mob.update_hair(is_creating = TRUE)
+		human_mob.update_body_parts()
 
 /datum/reagent/baldium
 	name = "Baldium"
@@ -2272,7 +2272,7 @@
 	to_chat(exposed_human, span_danger("Your hair is falling out in clumps!"))
 	exposed_human.hairstyle = "Bald"
 	exposed_human.facial_hairstyle = "Shaved"
-	exposed_human.update_hair(is_creating = TRUE)
+	exposed_human.update_body_parts()
 
 /datum/reagent/saltpetre
 	name = "Saltpetre"
diff --git a/code/modules/reagents/withdrawal/generic_addictions.dm b/code/modules/reagents/withdrawal/generic_addictions.dm
index ea54a5be814..c2f57a0e6de 100644
--- a/code/modules/reagents/withdrawal/generic_addictions.dm
+++ b/code/modules/reagents/withdrawal/generic_addictions.dm
@@ -111,7 +111,7 @@
 	if(affected_human.gender == MALE)
 		to_chat(affected_human, span_warning("Your chin itches."))
 		affected_human.facial_hairstyle = "Beard (Full)"
-		affected_human.update_hair(is_creating = TRUE)
+		affected_human.update_body_parts()
 	//Only like gross food
 	affected_human.dna?.species.liked_food = GROSS
 	affected_human.dna?.species.disliked_food = NONE
diff --git a/code/modules/surgery/bodyparts/_bodyparts.dm b/code/modules/surgery/bodyparts/_bodyparts.dm
index 1290fba9c16..14666c330dc 100644
--- a/code/modules/surgery/bodyparts/_bodyparts.dm
+++ b/code/modules/surgery/bodyparts/_bodyparts.dm
@@ -30,8 +30,6 @@
 	var/limb_id = SPECIES_HUMAN
 	//Defines what sprite the limb should use if it is also sexually dimorphic.
 	VAR_PROTECTED/limb_gender = "m"
-	///Does this limb have a greyscale version?
-	var/uses_mutcolor = TRUE
 	///Is there a sprite difference between male and female?
 	var/is_dimorphic = FALSE
 	///The actual color a limb is drawn as, set by /proc/update_limb()
@@ -708,7 +706,7 @@
 		else
 			skin_tone = ""
 
-		if(((MUTCOLORS in owner_species.species_traits) || (DYNCOLORS in owner_species.species_traits)) && uses_mutcolor) //Ethereal code. Motherfuckers.
+		if(((MUTCOLORS in owner_species.species_traits) || (DYNCOLORS in owner_species.species_traits))) //Ethereal code. Motherfuckers.
 			if(owner_species.fixed_mut_color)
 				species_color = owner_species.fixed_mut_color
 			else
diff --git a/code/modules/surgery/bodyparts/dismemberment.dm b/code/modules/surgery/bodyparts/dismemberment.dm
index b9275774a79..2975325fd62 100644
--- a/code/modules/surgery/bodyparts/dismemberment.dm
+++ b/code/modules/surgery/bodyparts/dismemberment.dm
@@ -140,7 +140,7 @@
 	synchronize_bodytypes(phantom_owner)
 	phantom_owner.update_health_hud() //update the healthdoll
 	phantom_owner.update_body()
-	phantom_owner.update_hair()
+	phantom_owner.update_body_parts()
 
 	if(!drop_loc) // drop_loc = null happens when a "dummy human" used for rendering icons on prefs screen gets its limbs replaced.
 		qdel(src)
@@ -418,6 +418,21 @@
 			pill_action.Grant(new_head_owner)
 			break
 
+	///Transfer existing hair properties to the new human.
+	if(!special && ishuman(new_head_owner))
+		var/mob/living/carbon/human/sexy_chad = new_head_owner
+		sexy_chad.hairstyle = hair_style
+		sexy_chad.hair_color = hair_color
+		sexy_chad.facial_hair_color = facial_hair_color
+		sexy_chad.facial_hairstyle = facial_hairstyle
+		if(hair_gradient_style || facial_hair_gradient_style)
+			LAZYSETLEN(sexy_chad.grad_style, GRADIENTS_LEN)
+			LAZYSETLEN(sexy_chad.grad_color, GRADIENTS_LEN)
+			sexy_chad.grad_style[GRADIENT_HAIR_KEY] =  hair_gradient_style
+			sexy_chad.grad_color[GRADIENT_HAIR_KEY] =  hair_gradient_color
+			sexy_chad.grad_style[GRADIENT_FACIAL_HAIR_KEY] = facial_hair_gradient_style
+			sexy_chad.grad_color[GRADIENT_FACIAL_HAIR_KEY] = facial_hair_gradient_color
+
 	new_head_owner.updatehealth()
 	new_head_owner.update_body()
 	new_head_owner.update_damage_overlays()
diff --git a/code/modules/surgery/bodyparts/hair.dm b/code/modules/surgery/bodyparts/hair.dm
new file mode 100644
index 00000000000..71f53549387
--- /dev/null
+++ b/code/modules/surgery/bodyparts/hair.dm
@@ -0,0 +1,111 @@
+#define SET_OVERLAY_VALUE(X,Y,Z) if(X) X.Y = Z
+
+///Part of `update_limb()`, this proc does what the name implies.
+/obj/item/bodypart/head/proc/update_hair_and_lips()
+	var/mob/living/carbon/human/human_head_owner = owner
+	var/datum/species/owner_species = human_head_owner.dna.species
+
+	if(human_head_owner.lip_style && (LIPS in owner_species.species_traits))
+		lip_style = human_head_owner.lip_style
+		lip_color = human_head_owner.lip_color
+	else
+		lip_style = null
+		lip_color = "white"
+
+	///FACIAL HAIR CHECKS START
+	//we check if our hat or helmet hides our facial hair.
+	facial_hair_hidden = FALSE
+	if(human_head_owner.head)
+		var/obj/item/hat = human_head_owner.head
+		if(hat.flags_inv & HIDEFACIALHAIR)
+			facial_hair_hidden = TRUE
+
+	if(human_head_owner.wear_mask)
+		var/obj/item/mask = human_head_owner.wear_mask
+		if(mask.flags_inv & HIDEFACIALHAIR)
+			facial_hair_hidden = TRUE
+	///FACIAL HAIR CHECKS END
+	///HAIR CHECKS START
+	hair_hidden = FALSE
+	if(human_head_owner.head)
+		var/obj/item/hat = human_head_owner.head
+		if(hat.flags_inv & HIDEHAIR)
+			hair_hidden = TRUE
+
+	if(human_head_owner.w_uniform)
+		var/obj/item/item_uniform = human_head_owner.w_uniform
+		if(item_uniform.flags_inv & HIDEHAIR)
+			hair_hidden = TRUE
+
+	if(human_head_owner.wear_mask)
+		var/obj/item/mask = human_head_owner.wear_mask
+		if(mask.flags_inv & HIDEHAIR)
+			hair_hidden = TRUE
+	///HAIR CHECKS END
+
+	if(!hair_hidden && !owner.getorganslot(ORGAN_SLOT_BRAIN) && !(NOBLOOD in species_flags_list))
+		show_debrained = TRUE
+	else
+		show_debrained = FALSE
+
+	var/datum/sprite_accessory/sprite_accessory
+
+	facial_overlay = null
+	facial_gradient_overlay = null
+	hair_overlay = null
+	hair_gradient_overlay = null
+
+	hair_alpha = owner_species.hair_alpha
+	hair_color = human_head_owner.hair_color
+	facial_hair_color = human_head_owner.facial_hair_color
+	fixed_hair_color = owner_species.fixed_mut_color //Can be null
+	hair_style = human_head_owner.hairstyle
+	facial_hairstyle = human_head_owner.facial_hairstyle
+
+
+	if(facial_hairstyle && !facial_hair_hidden && (FACEHAIR in species_flags_list))
+		sprite_accessory = GLOB.facial_hairstyles_list[facial_hairstyle]
+		if(sprite_accessory)
+			//Create the overlay
+			facial_overlay = mutable_appearance(sprite_accessory.icon, sprite_accessory.icon_state, -HAIR_LAYER)
+			facial_overlay.overlays += emissive_blocker(facial_overlay.icon, facial_overlay.icon_state, alpha = hair_alpha)
+			//Gradients
+			facial_hair_gradient_style = LAZYACCESS(human_head_owner.grad_style, GRADIENT_FACIAL_HAIR_KEY)
+			if(facial_hair_gradient_style)
+				facial_hair_gradient_color = LAZYACCESS(human_head_owner.grad_color, GRADIENT_FACIAL_HAIR_KEY)
+				facial_gradient_overlay = make_gradient_overlay(sprite_accessory.icon, sprite_accessory.icon_state, HAIR_LAYER, GLOB.facial_hair_gradients_list[facial_hair_gradient_style], facial_hair_gradient_color)
+
+			facial_overlay.overlays += emissive_blocker(sprite_accessory.icon, sprite_accessory.icon_state, alpha = hair_alpha)
+
+	if(!hair_hidden && !show_debrained && (HAIR in species_flags_list))
+		sprite_accessory = GLOB.hairstyles_list[hair_style]
+		if(sprite_accessory)
+			hair_overlay = mutable_appearance(sprite_accessory.icon, sprite_accessory.icon_state, -HAIR_LAYER)
+			hair_overlay.overlays += emissive_blocker(hair_overlay.icon, hair_overlay.icon_state, alpha = hair_alpha)
+			hair_gradient_style = LAZYACCESS(human_head_owner.grad_style, GRADIENT_HAIR_KEY)
+			if(hair_gradient_style)
+				hair_gradient_color = LAZYACCESS(human_head_owner.grad_color, GRADIENT_HAIR_KEY)
+				hair_gradient_overlay = make_gradient_overlay(sprite_accessory.icon, sprite_accessory.icon_state, HAIR_LAYER, GLOB.hair_gradients_list[hair_gradient_style], hair_gradient_color)
+
+	//CREATION-ONLY END
+	//HAIR COLOR START
+	if(!override_hair_color)
+		if(hair_color_source)
+			if(hair_color_source == "fixedmutcolor")
+				SET_OVERLAY_VALUE(facial_overlay, color, fixed_hair_color)
+				SET_OVERLAY_VALUE(hair_overlay, color, fixed_hair_color)
+			else if(hair_color_source == "mutcolor")
+				SET_OVERLAY_VALUE(facial_overlay, color, facial_hair_color)
+				SET_OVERLAY_VALUE(hair_overlay, color, hair_color)
+			else
+				SET_OVERLAY_VALUE(facial_overlay, color, hair_color_source)
+				SET_OVERLAY_VALUE(hair_overlay, color, hair_color_source)
+		else
+			SET_OVERLAY_VALUE(facial_overlay, color, facial_hair_color)
+			SET_OVERLAY_VALUE(hair_overlay, color, hair_color)
+	else
+		SET_OVERLAY_VALUE(facial_overlay, color, override_hair_color)
+		SET_OVERLAY_VALUE(hair_overlay, color, override_hair_color)
+	//HAIR COLOR END
+
+#undef SET_OVERLAY_VALUE
diff --git a/code/modules/surgery/bodyparts/head.dm b/code/modules/surgery/bodyparts/head.dm
index c4bfdc9e445..3043c3cfcad 100644
--- a/code/modules/surgery/bodyparts/head.dm
+++ b/code/modules/surgery/bodyparts/head.dm
@@ -166,7 +166,6 @@
 
 	return ..()
 
-#define SET_OVERLAY_VALUE(X,Y,Z) if(X) X.Y = Z
 /obj/item/bodypart/head/update_limb(dropping_limb, is_creating)
 	. = ..()
 
@@ -178,117 +177,10 @@
 		lip_style = null
 		stored_lipstick_trait = null
 
-	else if(!animal_origin && ishuman(owner))
-
-		var/mob/living/carbon/human/human_head_owner = owner
-		var/datum/species/owner_species = human_head_owner.dna.species
-
-		if(human_head_owner.lip_style && (LIPS in owner_species.species_traits))
-			lip_style = human_head_owner.lip_style
-			lip_color = human_head_owner.lip_color
-		else
-			lip_style = null
-			lip_color = "white"
-
-		///FACIAL HAIR CHECKS START
-		//we check if our hat or helmet hides our facial hair.
-		facial_hair_hidden = FALSE
-		if(human_head_owner.head)
-			var/obj/item/hat = human_head_owner.head
-			if(hat.flags_inv & HIDEFACIALHAIR)
-				facial_hair_hidden = TRUE
-
-		if(human_head_owner.wear_mask)
-			var/obj/item/mask = human_head_owner.wear_mask
-			if(mask.flags_inv & HIDEFACIALHAIR)
-				facial_hair_hidden = TRUE
-		///FACIAL HAIR CHECKS END
-		///HAIR CHECKS START
-		hair_hidden = FALSE
-		if(human_head_owner.head)
-			var/obj/item/hat = human_head_owner.head
-			if(hat.flags_inv & HIDEHAIR)
-				hair_hidden = TRUE
-
-		if(human_head_owner.w_uniform)
-			var/obj/item/item_uniform = human_head_owner.w_uniform
-			if(item_uniform.flags_inv & HIDEHAIR)
-				hair_hidden = TRUE
-
-		if(human_head_owner.wear_mask)
-			var/obj/item/mask = human_head_owner.wear_mask
-			if(mask.flags_inv & HIDEHAIR)
-				hair_hidden = TRUE
-		///HAIR CHECKS END
-
-		if(!hair_hidden && !owner.getorgan(/obj/item/organ/internal/brain) && !(NOBLOOD in species_flags_list))
-			show_debrained = TRUE
-		else
-			show_debrained = FALSE
-
-		//CREATION-ONLY START
-		if(is_creating)
-			var/datum/sprite_accessory/sprite_accessory
-
-			facial_overlay = null
-			facial_gradient_overlay = null
-			hair_overlay = null
-			hair_gradient_overlay = null
-
-			hair_alpha = owner_species.hair_alpha
-			hair_color = human_head_owner.hair_color
-			facial_hair_color = human_head_owner.facial_hair_color
-			fixed_hair_color = owner_species.fixed_mut_color //Can be null
-			hair_style = human_head_owner.hairstyle
-			facial_hairstyle = human_head_owner.facial_hairstyle
+	if(!animal_origin && ishuman(owner))
+		update_hair_and_lips()
 
 
-			if(facial_hairstyle && !facial_hair_hidden && (FACEHAIR in species_flags_list))
-				sprite_accessory = GLOB.facial_hairstyles_list[facial_hairstyle]
-				if(sprite_accessory)
-					//Create the overlay
-					facial_overlay = mutable_appearance(sprite_accessory.icon, sprite_accessory.icon_state, -HAIR_LAYER)
-					facial_overlay.overlays += emissive_blocker(facial_overlay.icon, facial_overlay.icon_state, alpha = hair_alpha)
-					//Gradients
-					facial_hair_gradient_style = LAZYACCESS(human_head_owner.grad_style, GRADIENT_FACIAL_HAIR_KEY)
-					if(facial_hair_gradient_style)
-						facial_hair_gradient_color = LAZYACCESS(human_head_owner.grad_color, GRADIENT_FACIAL_HAIR_KEY)
-						facial_gradient_overlay = make_gradient_overlay(sprite_accessory.icon, sprite_accessory.icon_state, HAIR_LAYER, GLOB.facial_hair_gradients_list[facial_hair_gradient_style], facial_hair_gradient_color)
-
-					facial_overlay.overlays += emissive_blocker(sprite_accessory.icon, sprite_accessory.icon_state, alpha = hair_alpha)
-
-			if(!hair_hidden && !show_debrained && (HAIR in species_flags_list))
-				sprite_accessory = GLOB.hairstyles_list[hair_style]
-				if(sprite_accessory)
-					hair_overlay = mutable_appearance(sprite_accessory.icon, sprite_accessory.icon_state, -HAIR_LAYER)
-					hair_overlay.overlays += emissive_blocker(hair_overlay.icon, hair_overlay.icon_state, alpha = hair_alpha)
-					hair_gradient_style = LAZYACCESS(human_head_owner.grad_style, GRADIENT_HAIR_KEY)
-					if(hair_gradient_style)
-						hair_gradient_color = LAZYACCESS(human_head_owner.grad_color, GRADIENT_HAIR_KEY)
-						hair_gradient_overlay = make_gradient_overlay(sprite_accessory.icon, sprite_accessory.icon_state, HAIR_LAYER, GLOB.hair_gradients_list[hair_gradient_style], hair_gradient_color)
-
-		//CREATION-ONLY END
-		//HAIR COLOR START
-		if(!override_hair_color)
-			if(hair_color_source)
-				if(hair_color_source == "fixedmutcolor")
-					SET_OVERLAY_VALUE(facial_overlay, color, fixed_hair_color)
-					SET_OVERLAY_VALUE(hair_overlay, color, fixed_hair_color)
-				else if(hair_color_source == "mutcolor")
-					SET_OVERLAY_VALUE(facial_overlay, color, facial_hair_color)
-					SET_OVERLAY_VALUE(hair_overlay, color, hair_color)
-				else
-					SET_OVERLAY_VALUE(facial_overlay, color, hair_color_source)
-					SET_OVERLAY_VALUE(hair_overlay, color, hair_color_source)
-			else
-				SET_OVERLAY_VALUE(facial_overlay, color, facial_hair_color)
-				SET_OVERLAY_VALUE(hair_overlay, color, hair_color)
-		else
-			SET_OVERLAY_VALUE(facial_overlay, color, override_hair_color)
-			SET_OVERLAY_VALUE(hair_overlay, color, override_hair_color)
-		//HAIR COLOR END
-
-#undef SET_OVERLAY_VALUE
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 /obj/item/bodypart/head/get_limb_icon(dropped, draw_external_organs)
@@ -361,10 +253,11 @@
 			. += hair_overlay
 			if(hair_gradient_overlay)
 				. += hair_gradient_overlay
-///Set the haircolor of a human. Override instead sets the override value, it will not be changed away from the override value until override is set to null.
-/mob/proc/set_haircolor(hex_string, override)
+
+/mob/living/proc/set_haircolor(hex_string, override)
 	return
 
+///Set the haircolor of a human. Override instead sets the override value, it will not be changed away from the override value until override is set to null.
 /mob/living/carbon/human/set_haircolor(hex_string, override)
 	var/obj/item/bodypart/head/my_head = get_bodypart(BODY_ZONE_HEAD)
 	if(!my_head)
@@ -373,8 +266,8 @@
 	if(override)
 		my_head.override_hair_color = hex_string
 	else
-		my_head.hair_color = hex_string
-	update_hair(is_creating = TRUE)
+		hair_color = hex_string
+	update_body_parts()
 
 /obj/item/bodypart/head/proc/make_gradient_overlay(file, icon, layer, datum/sprite_accessory/gradient, grad_color)
 	RETURN_TYPE(/mutable_appearance)
diff --git a/code/modules/surgery/bodyparts/species_parts/ethereal_bodyparts.dm b/code/modules/surgery/bodyparts/species_parts/ethereal_bodyparts.dm
index a581790b31f..1ec29994a42 100644
--- a/code/modules/surgery/bodyparts/species_parts/ethereal_bodyparts.dm
+++ b/code/modules/surgery/bodyparts/species_parts/ethereal_bodyparts.dm
@@ -2,30 +2,67 @@
 	icon_greyscale = 'icons/mob/species/ethereal/bodyparts.dmi'
 	limb_id = SPECIES_ETHEREAL
 	is_dimorphic = FALSE
-	uses_mutcolor = TRUE
+
+/obj/item/bodypart/head/ethereal/update_limb(dropping_limb, is_creating)
+	. = ..()
+	if(isethereal(owner))
+		var/mob/living/carbon/human/potato_oc = owner
+		var/datum/species/ethereal/eth_holder = potato_oc.dna.species
+		species_color = eth_holder.current_color
 
 /obj/item/bodypart/chest/ethereal
 	icon_greyscale = 'icons/mob/species/ethereal/bodyparts.dmi'
 	limb_id = SPECIES_ETHEREAL
 	is_dimorphic = FALSE
-	uses_mutcolor = TRUE
+
+/obj/item/bodypart/chest/ethereal/update_limb(dropping_limb, is_creating)
+	. = ..()
+	if(isethereal(owner))
+		var/mob/living/carbon/human/potato_oc = owner
+		var/datum/species/ethereal/eth_holder = potato_oc.dna.species
+		species_color = eth_holder.current_color
 
 /obj/item/bodypart/l_arm/ethereal
 	icon_greyscale = 'icons/mob/species/ethereal/bodyparts.dmi'
 	limb_id = SPECIES_ETHEREAL
-	uses_mutcolor = TRUE
+
+/obj/item/bodypart/l_arm/ethereal/update_limb(dropping_limb, is_creating)
+	. = ..()
+	if(isethereal(owner))
+		var/mob/living/carbon/human/potato_oc = owner
+		var/datum/species/ethereal/eth_holder = potato_oc.dna.species
+		species_color = eth_holder.current_color
 
 /obj/item/bodypart/r_arm/ethereal
 	icon_greyscale = 'icons/mob/species/ethereal/bodyparts.dmi'
 	limb_id = SPECIES_ETHEREAL
-	uses_mutcolor = TRUE
+
+/obj/item/bodypart/r_arm/ethereal/update_limb(dropping_limb, is_creating)
+	. = ..()
+	if(isethereal(owner))
+		var/mob/living/carbon/human/potato_oc = owner
+		var/datum/species/ethereal/eth_holder = potato_oc.dna.species
+		species_color = eth_holder.current_color
+
 
 /obj/item/bodypart/l_leg/ethereal
 	icon_greyscale = 'icons/mob/species/ethereal/bodyparts.dmi'
 	limb_id = SPECIES_ETHEREAL
-	uses_mutcolor = TRUE
+
+/obj/item/bodypart/l_leg/ethereal/update_limb(dropping_limb, is_creating)
+	. = ..()
+	if(isethereal(owner))
+		var/mob/living/carbon/human/potato_oc = owner
+		var/datum/species/ethereal/eth_holder = potato_oc.dna.species
+		species_color = eth_holder.current_color
 
 /obj/item/bodypart/r_leg/ethereal
 	icon_greyscale = 'icons/mob/species/ethereal/bodyparts.dmi'
 	limb_id = SPECIES_ETHEREAL
-	uses_mutcolor = TRUE
+
+/obj/item/bodypart/r_leg/ethereal/update_limb(dropping_limb, is_creating)
+	. = ..()
+	if(isethereal(owner))
+		var/mob/living/carbon/human/potato_oc = owner
+		var/datum/species/ethereal/eth_holder = potato_oc.dna.species
+		species_color = eth_holder.current_color
diff --git a/code/modules/surgery/bodyparts/species_parts/lizard_bodyparts.dm b/code/modules/surgery/bodyparts/species_parts/lizard_bodyparts.dm
index 63c3878285b..4d4a11d2324 100644
--- a/code/modules/surgery/bodyparts/species_parts/lizard_bodyparts.dm
+++ b/code/modules/surgery/bodyparts/species_parts/lizard_bodyparts.dm
@@ -1,39 +1,32 @@
 /obj/item/bodypart/head/lizard
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
 	limb_id = SPECIES_LIZARD
-	uses_mutcolor = TRUE
 	is_dimorphic = FALSE
 
 /obj/item/bodypart/chest/lizard
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_LIZARD
 	is_dimorphic = TRUE
 
 /obj/item/bodypart/l_arm/lizard
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_LIZARD
 
 /obj/item/bodypart/r_arm/lizard
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_LIZARD
 
 /obj/item/bodypart/l_leg/lizard
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_LIZARD
 
 /obj/item/bodypart/r_leg/lizard
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_LIZARD
 
 /* SKYRAT EDIT REMOVAL - MOVED TO MODULAR MUTANT_BODYPARTS.DM
 /obj/item/bodypart/l_leg/digitigrade
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = BODYPART_TYPE_DIGITIGRADE
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_DIGITIGRADE
 
@@ -60,7 +53,6 @@
 
 /obj/item/bodypart/r_leg/digitigrade
 	icon_greyscale = 'icons/mob/species/lizard/bodyparts.dmi'
-	uses_mutcolor = TRUE
 	limb_id = BODYPART_TYPE_DIGITIGRADE
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_DIGITIGRADE
 
diff --git a/modular_skyrat/master_files/code/game/objects/items/dyekit.dm b/modular_skyrat/master_files/code/game/objects/items/dyekit.dm
index 910e5573f7c..a52b5f00844 100644
--- a/modular_skyrat/master_files/code/game/objects/items/dyekit.dm
+++ b/modular_skyrat/master_files/code/game/objects/items/dyekit.dm
@@ -65,7 +65,7 @@
 	human_target.visible_message(span_notice("[user] finishes applying hair dye to [dying_themselves ? "their own" : "[human_target]'s"] hair, changing its color!"), span_notice("[dying_themselves ? "You finish" : "[user] finishes"] applying hair dye to [dying_themselves ? "your own" : "your"] hair, changing its color!"), ignored_mobs = user)
 	if(!dying_themselves)
 		balloon_alert(user, "dyeing complete!")
-	human_target.update_hair(is_creating = TRUE)
+	human_target.update_body_parts()
 
 	uses--
 
diff --git a/modular_skyrat/master_files/code/game/objects/items/hhmirror.dm b/modular_skyrat/master_files/code/game/objects/items/hhmirror.dm
index e0f8db57e5e..7456c59ae6d 100644
--- a/modular_skyrat/master_files/code/game/objects/items/hhmirror.dm
+++ b/modular_skyrat/master_files/code/game/objects/items/hhmirror.dm
@@ -81,7 +81,7 @@
 						to_chat(human_user, span_notice("Invalid color. Your color is not bright enough."))
 
 			human_user.update_body()
-			human_user.update_hair()
+			human_user.update_body_parts()
 			human_user.update_body_parts()
 			human_user.update_mutations_overlay() // no hulk lizard
 
@@ -123,7 +123,7 @@
 					if(new_face_color)
 						human_user.facial_hair_color = sanitize_hexcolor(new_face_color)
 						human_user.dna.update_ui_block(DNA_FACIAL_HAIR_COLOR_BLOCK)
-				human_user.update_hair()
+				human_user.update_body_parts()
 
 		if(BODY_ZONE_PRECISE_EYES)
 			var/new_eye_color = input(human_user, "Choose your eye color", "Eye Color", human_user.eye_color_left) as color|null
@@ -207,7 +207,7 @@
 						if(new_face_color)
 							human_user.facial_hair_color = sanitize_hexcolor(new_face_color)
 							human_user.dna.update_ui_block(DNA_FACIAL_HAIR_COLOR_BLOCK)
-					human_user.update_hair()
+					human_user.update_body_parts()
 
 			if(BODY_ZONE_PRECISE_EYES)
 				var/new_eye_color = input(human_user, "Choose your eye color", "Eye Color", human_user.eye_color_left) as color|null
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/_mutant_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/_mutant_bodyparts.dm
index 0e1a36fa48b..333cefcb83b 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/_mutant_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/_mutant_bodyparts.dm
@@ -39,38 +39,31 @@
 /obj/item/bodypart/head/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
 	limb_id = SPECIES_MAMMAL
-	uses_mutcolor = TRUE
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC
 
 /obj/item/bodypart/chest/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_MAMMAL
 	is_dimorphic = TRUE
 
 /obj/item/bodypart/l_arm/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_MAMMAL
 
 /obj/item/bodypart/r_arm/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_MAMMAL
 
 /obj/item/bodypart/l_leg/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_MAMMAL
 
 /obj/item/bodypart/r_leg/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_MAMMAL
 
 /obj/item/bodypart/l_leg/digitigrade
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = "digitigrade"
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_DIGITIGRADE
 
@@ -80,7 +73,6 @@
 
 /obj/item/bodypart/r_leg/digitigrade
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/mammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = "digitigrade"
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_DIGITIGRADE
 
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/akula_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/akula_bodyparts.dm
index b07b87d8659..8da52d3d8bd 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/akula_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/akula_bodyparts.dm
@@ -22,7 +22,6 @@
 
 /obj/item/bodypart/r_leg/mutant/akula
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/akula_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_AKULA
 	digitigrade_type = /obj/item/bodypart/r_leg/digitigrade/akula
 
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/moth_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/moth_bodyparts.dm
index 7ae88e21b43..230ae40a3a8 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/moth_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/moth_bodyparts.dm
@@ -3,35 +3,29 @@
 	icon_state = "moth_head_m"
 	limb_id = SPECIES_MOTH
 	is_dimorphic = TRUE
-	uses_mutcolor = TRUE
 
 /obj/item/bodypart/chest/moth
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/moth_parts_greyscale.dmi'
 	icon_state = "moth_chest_m"
 	limb_id = SPECIES_MOTH
 	is_dimorphic = TRUE
-	uses_mutcolor = TRUE
 
 /obj/item/bodypart/l_arm/moth
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/moth_parts_greyscale.dmi'
 	icon_state = "moth_l_arm"
 	limb_id = SPECIES_MOTH
-	uses_mutcolor = TRUE
 
 /obj/item/bodypart/r_arm/moth
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/moth_parts_greyscale.dmi'
 	icon_state = "moth_r_arm"
 	limb_id = SPECIES_MOTH
-	uses_mutcolor = TRUE
 
 /obj/item/bodypart/l_leg/moth
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/moth_parts_greyscale.dmi'
 	icon_state = "moth_l_leg"
 	limb_id = SPECIES_MOTH
-	uses_mutcolor = TRUE
 
 /obj/item/bodypart/r_leg/moth
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/moth_parts_greyscale.dmi'
 	icon_state = "moth_r_leg"
 	limb_id = SPECIES_MOTH
-	uses_mutcolor = TRUE
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/_mutant_robotic_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/_mutant_robotic_bodyparts.dm
index 6b437314166..bde7ef6e436 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/_mutant_robotic_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/_mutant_robotic_bodyparts.dm
@@ -4,14 +4,12 @@
 	limb_id = SPECIES_SYNTHMAMMAL
 	is_dimorphic = TRUE
 	should_draw_greyscale = TRUE
-	uses_mutcolor = TRUE
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ROBOTIC
 	brute_reduction = 0
 	burn_reduction = 0
 
 /obj/item/bodypart/chest/robot/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	should_draw_greyscale = TRUE
 	limb_id = SPECIES_SYNTHMAMMAL
 	is_dimorphic = TRUE
@@ -42,7 +40,6 @@
 
 /obj/item/bodypart/r_leg/robot/mutant
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	should_draw_greyscale = TRUE
 	limb_id = SPECIES_SYNTHMAMMAL
 	digitigrade_type = /obj/item/bodypart/r_leg/robot/digitigrade
@@ -53,7 +50,6 @@
 	icon = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
 	icon_static = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	should_draw_greyscale = TRUE
 	limb_id = "digitigrade"
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ROBOTIC | BODYTYPE_DIGITIGRADE
@@ -69,7 +65,6 @@
 	icon = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
 	icon_static = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/synthmammal_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	should_draw_greyscale = TRUE
 	limb_id = "digitigrade"
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ROBOTIC | BODYTYPE_DIGITIGRADE
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/ipc_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/ipc_bodyparts.dm
index a161dde525b..02576a78c3f 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/ipc_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/robotic/ipc_bodyparts.dm
@@ -1,32 +1,26 @@
 // IPC bois!
 /obj/item/bodypart/head/robot/mutant/ipc
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/ipc_parts.dmi'
-	uses_mutcolor = FALSE
 	is_dimorphic = FALSE
 	limb_id = SPECIES_IPC
 
 /obj/item/bodypart/chest/robot/mutant/ipc
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/ipc_parts.dmi'
-	uses_mutcolor = FALSE
 	is_dimorphic = FALSE
 	limb_id = SPECIES_IPC
 
 /obj/item/bodypart/l_arm/robot/mutant/ipc
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/ipc_parts.dmi'
-	uses_mutcolor = FALSE
 	limb_id = SPECIES_IPC
 
 /obj/item/bodypart/r_arm/robot/mutant/ipc
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/ipc_parts.dmi'
-	uses_mutcolor = FALSE
 	limb_id = SPECIES_IPC
 
 /obj/item/bodypart/l_leg/robot/mutant/ipc
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/ipc_parts.dmi'
-	uses_mutcolor = FALSE
 	limb_id = SPECIES_IPC
 
 /obj/item/bodypart/r_leg/robot/mutant/ipc
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/ipc_parts.dmi'
-	uses_mutcolor = FALSE
 	limb_id = SPECIES_IPC
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/vox_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/vox_bodyparts.dm
index 374dfc60b85..befa1c0d647 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/vox_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/vox_bodyparts.dm
@@ -27,7 +27,6 @@
 
 /obj/item/bodypart/r_leg/mutant/vox
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/vox_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM
 	limb_id = SPECIES_VOX
 	digitigrade_type = /obj/item/bodypart/r_leg/digitigrade/vox
diff --git a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/xenohybrid_bodyparts.dm b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/xenohybrid_bodyparts.dm
index b81d16002cc..330d7b9ab28 100644
--- a/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/xenohybrid_bodyparts.dm
+++ b/modular_skyrat/master_files/code/modules/surgery/bodyparts/species_parts/xenohybrid_bodyparts.dm
@@ -22,7 +22,6 @@
 
 /obj/item/bodypart/r_leg/mutant/xenohybrid
 	icon_greyscale = 'modular_skyrat/master_files/icons/mob/species/xeno_parts_greyscale.dmi'
-	uses_mutcolor = TRUE
 	limb_id = SPECIES_XENO
 	digitigrade_type = /obj/item/bodypart/r_leg/digitigrade/xenohybrid
 
diff --git a/modular_skyrat/modules/better_vox/code/vox_bodyparts.dm b/modular_skyrat/modules/better_vox/code/vox_bodyparts.dm
index d6d841fc535..d48a43c8b13 100644
--- a/modular_skyrat/modules/better_vox/code/vox_bodyparts.dm
+++ b/modular_skyrat/modules/better_vox/code/vox_bodyparts.dm
@@ -5,7 +5,6 @@
 	icon = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM | BODYTYPE_SNOUTED
 	is_dimorphic = FALSE
-	uses_mutcolor = FALSE
 	should_draw_greyscale = FALSE
 	limb_id = SPECIES_VOX_PRIMALIS
 
@@ -15,7 +14,6 @@
 	icon = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM
 	is_dimorphic = FALSE
-	uses_mutcolor = FALSE
 	should_draw_greyscale = FALSE
 	limb_id = SPECIES_VOX_PRIMALIS
 
@@ -24,7 +22,6 @@
 	icon_greyscale = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	icon = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM
-	uses_mutcolor = FALSE
 	should_draw_greyscale = FALSE
 	limb_id = SPECIES_VOX_PRIMALIS
 
@@ -33,7 +30,6 @@
 	icon_greyscale = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	icon = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM
-	uses_mutcolor = FALSE
 	should_draw_greyscale = FALSE
 	limb_id = SPECIES_VOX_PRIMALIS
 
@@ -42,7 +38,6 @@
 	icon_greyscale = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	icon = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM
-	uses_mutcolor = FALSE
 	should_draw_greyscale = FALSE
 	limb_id = SPECIES_VOX_PRIMALIS
 
@@ -50,9 +45,7 @@
 	icon_static = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	icon_greyscale = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
 	icon = 'modular_skyrat/modules/better_vox/icons/bodyparts/vox_bodyparts.dmi'
-	uses_mutcolor = TRUE
 	bodytype = BODYTYPE_HUMANOID | BODYTYPE_ORGANIC | BODYTYPE_CUSTOM
-	uses_mutcolor = FALSE
 	should_draw_greyscale = FALSE
 	limb_id = SPECIES_VOX_PRIMALIS
 
diff --git a/modular_skyrat/modules/black_mesa/code/mobs/headcrab.dm b/modular_skyrat/modules/black_mesa/code/mobs/headcrab.dm
index 2a7dab4e2e5..7465622beb2 100644
--- a/modular_skyrat/modules/black_mesa/code/mobs/headcrab.dm
+++ b/modular_skyrat/modules/black_mesa/code/mobs/headcrab.dm
@@ -102,7 +102,7 @@
 	movement_type = GROUND
 	icon_state = ""
 	zombified_human.hairstyle = null
-	zombified_human.update_hair()
+	zombified_human.update_body_parts()
 	zombified_human.forceMove(src)
 	oldguy = zombified_human
 	update_appearance()
diff --git a/modular_skyrat/modules/customization/datums/dna.dm b/modular_skyrat/modules/customization/datums/dna.dm
index db557d61903..ec45d09bf7d 100644
--- a/modular_skyrat/modules/customization/datums/dna.dm
+++ b/modular_skyrat/modules/customization/datums/dna.dm
@@ -288,9 +288,9 @@ GLOBAL_LIST_EMPTY(total_uf_len_by_block)
 		dna.features["skin_color"] = sanitize_hexcolor(get_uni_identity_block(features, DNA_SKIN_COLOR_BLOCK))
 
 	if(icon_update)
-		dna.species.handle_body(src) // We want 'update_body_parts()' to be called only if mutcolor_update is TRUE, so no 'update_body()' here.
-		update_hair()
+		dna.species.handle_body(src) // We want 'update_body_parts(update_limb_data = TRUE)' to be called only if mutcolor_update is TRUE, so no 'update_body()' here.
+		update_body_parts() //We can call this because it doesnt refresh limb data, and it handles hair and such.
 		if(mutcolor_update)
-			update_body_parts()
+			update_body_parts(update_limb_data = TRUE)
 		if(mutations_overlay_update)
 			update_mutations_overlay()
diff --git a/modular_skyrat/modules/customization/modules/clothing/masks/breath.dm b/modular_skyrat/modules/customization/modules/clothing/masks/breath.dm
index 9f0a582c9c8..c6061a7b4b1 100644
--- a/modular_skyrat/modules/customization/modules/clothing/masks/breath.dm
+++ b/modular_skyrat/modules/customization/modules/clothing/masks/breath.dm
@@ -50,7 +50,7 @@
 				icon_state = initial(icon_state)
 				to_chat(user, "You pull the balaclava up to cover your whole head.")
 				open = 0
-		user.update_hair(0)
+		user.update_body_parts()
 		user.update_inv_ears(0)
 		user.update_worn_mask() //Updates mob icons
 
diff --git a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/robotic/ipc.dm b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/robotic/ipc.dm
index ddf49a2e849..2c147b3adf8 100644
--- a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/robotic/ipc.dm
+++ b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/robotic/ipc.dm
@@ -87,8 +87,7 @@
 	var/datum/sprite_accessory/ipc_chassis/chassis_of_choice = GLOB.sprite_accessories["ipc_chassis"][chassis["name"]]
 
 	for(var/obj/item/bodypart/iterating_bodypart as anything in target.bodyparts) //Override bodypart data as necessary
-		iterating_bodypart.uses_mutcolor = chassis_of_choice.color_src ? TRUE : FALSE
-		if(iterating_bodypart.uses_mutcolor)
+		if(chassis_of_choice.color_src)
 			iterating_bodypart.should_draw_greyscale = TRUE
 			iterating_bodypart.species_color = target.dna?.features["mcolor"]
 		iterating_bodypart.limb_id = chassis_of_choice.icon_state
diff --git a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/roundstartslime.dm b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/roundstartslime.dm
index 2e03b751876..45a815b4b97 100644
--- a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/roundstartslime.dm
+++ b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/roundstartslime.dm
@@ -198,14 +198,14 @@
 		switch(hair_reset)
 			if("Hair")
 				alterer.hair_color = sanitize_hexcolor(new_mutant_colour)
-				alterer.update_hair(is_creating = TRUE)
+				alterer.update_body_parts()
 			if("Facial Hair")
 				alterer.facial_hair_color = sanitize_hexcolor(new_mutant_colour)
-				alterer.update_hair(is_creating = TRUE)
+				alterer.update_body_parts()
 			if("Both")
 				alterer.hair_color = sanitize_hexcolor(new_mutant_colour)
 				alterer.facial_hair_color = sanitize_hexcolor(new_mutant_colour)
-				alterer.update_hair(is_creating = TRUE)
+				alterer.update_body_parts()
 
 	alterer.update_body(is_creating = TRUE)
 
@@ -231,12 +231,12 @@
 			var/new_style = tgui_input_list(owner, "Select a hair style", "Hair Alterations", GLOB.hairstyles_list)
 			if(new_style)
 				alterer.hairstyle = new_style
-				alterer.update_hair(is_creating = TRUE)
+				alterer.update_body_parts()
 		if("Facial Hair")
 			var/new_style = tgui_input_list(alterer, "Select a facial hair style", "Hair Alterations", GLOB.facial_hairstyles_list)
 			if(new_style)
 				alterer.facial_hairstyle = new_style
-				alterer.update_hair(is_creating = TRUE)
+				alterer.update_body_parts()
 		if("Hair Color")
 			var/hair_area = tgui_alert(alterer, "Select which color you would like to change", "Hair Color Alterations", list("Hairstyle", "Facial Hair", "Both"))
 			if(!hair_area)
@@ -249,14 +249,14 @@
 
 				if("Hairstyle")
 					alterer.hair_color = new_hair_color
-					alterer.update_hair(is_creating = TRUE)
+					alterer.update_body_parts()
 				if("Facial Hair")
 					alterer.facial_hair_color = new_hair_color
-					alterer.update_hair(is_creating = TRUE)
+					alterer.update_body_parts()
 				if("Both")
 					alterer.hair_color = new_hair_color
 					alterer.facial_hair_color = new_hair_color
-					alterer.update_hair(is_creating = TRUE)
+					alterer.update_body_parts()
 
 /**
  * Alter DNA is an intermediary proc for the most part
diff --git a/modular_skyrat/modules/moretraitoritems/code/syndiemirror.dm b/modular_skyrat/modules/moretraitoritems/code/syndiemirror.dm
index 79aabc07454..f9d5f9089e0 100644
--- a/modular_skyrat/modules/moretraitoritems/code/syndiemirror.dm
+++ b/modular_skyrat/modules/moretraitoritems/code/syndiemirror.dm
@@ -45,7 +45,7 @@
 
 		if(do_after(user, haircut_duration, target_human))
 			target_human.hairstyle = hair_id
-			target_human.update_hair(is_creating = TRUE)
+			target_human.update_body_parts()
 			user.visible_message(span_notice("[target_human]'s hair changes!"), span_notice("The nanites successfully alter [target_human]'s hair!"))
 	else
 		var/facial_hair_id = tgui_input_list(user, "Please select what facial hairstyle you'd like to sculpt!", "Select masterpiece", GLOB.facial_hairstyles_list)
@@ -59,7 +59,7 @@
 
 		if(do_after(user, facial_haircut_duration, target_human))
 			target_human.facial_hairstyle = facial_hair_id
-			target_human.update_hair(is_creating = TRUE)
+			target_human.update_body_parts()
 			user.visible_message(span_notice("[target_human]'s facial hair changes!"), span_notice("The nanites successfully alter [target_human]'s facial hair!"))
 
 /obj/item/storage/box/syndie_kit/chameleon/PopulateContents()
diff --git a/modular_skyrat/modules/mutants/code/mutant_zombie_bodyparts.dm b/modular_skyrat/modules/mutants/code/mutant_zombie_bodyparts.dm
index 3f0e908f453..88e25c0550b 100644
--- a/modular_skyrat/modules/mutants/code/mutant_zombie_bodyparts.dm
+++ b/modular_skyrat/modules/mutants/code/mutant_zombie_bodyparts.dm
@@ -6,7 +6,6 @@
 	icon_state = "mutant_head"
 	is_dimorphic = FALSE
 	limb_id = SPECIES_MUTANT
-	uses_mutcolor = TRUE
 	species_color = "#ffffff"
 
 /obj/item/bodypart/chest/mutant_zombie
diff --git a/modular_skyrat/modules/salon/code/misc_items.dm b/modular_skyrat/modules/salon/code/misc_items.dm
index 78fb1e612be..5172ba9846a 100644
--- a/modular_skyrat/modules/salon/code/misc_items.dm
+++ b/modular_skyrat/modules/salon/code/misc_items.dm
@@ -90,7 +90,7 @@
 	else
 		target_human.hairstyle = "Bald"
 
-	target_human.update_hair(is_creating = TRUE)
+	target_human.update_body_parts()
 	playsound(loc, 'sound/items/unsheath.ogg', 20, TRUE)
 
 
diff --git a/modular_skyrat/modules/salon/code/scissors.dm b/modular_skyrat/modules/salon/code/scissors.dm
index 3f91e90e5d2..6a311a1c8a1 100644
--- a/modular_skyrat/modules/salon/code/scissors.dm
+++ b/modular_skyrat/modules/salon/code/scissors.dm
@@ -51,7 +51,7 @@
 
 		if(do_after(user, haircut_duration, target_human))
 			target_human.hairstyle = hair_id
-			target_human.update_hair(is_creating = TRUE)
+			target_human.update_body_parts()
 			user.visible_message(span_notice("[user] successfully cuts [target_human]'s hair!"), span_notice("You successfully cut [target_human]'s hair!"))
 			new /obj/effect/decal/cleanable/hair(get_turf(src))
 	else
@@ -72,6 +72,6 @@
 
 		if(do_after(user, facial_haircut_duration, target_human))
 			target_human.facial_hairstyle = facial_hair_id
-			target_human.update_hair(is_creating = TRUE)
+			target_human.update_body_parts()
 			user.visible_message(span_notice("[user] successfully cuts [target_human]'s facial hair!"), span_notice("You successfully cut [target_human]'s facial hair!"))
 			new /obj/effect/decal/cleanable/hair(get_turf(src))
diff --git a/modular_skyrat/modules/salon/code/straight_razor.dm b/modular_skyrat/modules/salon/code/straight_razor.dm
index 63ce9611e29..4c95830c63f 100644
--- a/modular_skyrat/modules/salon/code/straight_razor.dm
+++ b/modular_skyrat/modules/salon/code/straight_razor.dm
@@ -18,7 +18,7 @@
 
 /obj/item/straight_razor/proc/shave(mob/living/carbon/human/target_human)
 	target_human.facial_hairstyle = "Shaved"
-	target_human.update_hair(is_creating = TRUE)
+	target_human.update_body_parts()
 	playsound(loc, 'sound/items/unsheath.ogg', 20, TRUE)
 
 /obj/item/straight_razor/attack(mob/attacked_mob, mob/living/user)
diff --git a/tgstation.dme b/tgstation.dme
index 89baa4cdf5f..42fe192ea85 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -4441,6 +4441,7 @@
 #include "code\modules\surgery\advanced\bioware\vein_threading.dm"
 #include "code\modules\surgery\bodyparts\_bodyparts.dm"
 #include "code\modules\surgery\bodyparts\dismemberment.dm"
+#include "code\modules\surgery\bodyparts\hair.dm"
 #include "code\modules\surgery\bodyparts\head.dm"
 #include "code\modules\surgery\bodyparts\helpers.dm"
 #include "code\modules\surgery\bodyparts\parts.dm"