diff --git a/code/modules/mob/living/carbon/human/examine.dm b/code/modules/mob/living/carbon/human/examine.dm
index d5750778a71..4f153b8ad86 100644
--- a/code/modules/mob/living/carbon/human/examine.dm
+++ b/code/modules/mob/living/carbon/human/examine.dm
@@ -162,12 +162,6 @@
 		if(100 to 200)
 			msg += "<span class='warning'>[t_He] [t_is] twitching ever so slightly.</span>\n"
 
-	if(gender_ambiguous) //someone fucked up a gender reassignment surgery
-		if (gender == MALE)
-			msg += "[t_He] has a strange feminine quality to [t_him].\n"
-		else
-			msg += "[t_He] has a strange masculine quality to [t_him].\n"
-
 	var/appears_dead = 0
 	if(stat == DEAD || (status_flags & FAKEDEATH))
 		appears_dead = 1
diff --git a/code/modules/mob/living/carbon/human/human_defines.dm b/code/modules/mob/living/carbon/human/human_defines.dm
index d4b6b9512b4..ada7a5cceaf 100644
--- a/code/modules/mob/living/carbon/human/human_defines.dm
+++ b/code/modules/mob/living/carbon/human/human_defines.dm
@@ -42,8 +42,6 @@ var/global/default_martial_art = new/datum/martial_art
 
 	var/special_voice = "" // For changing our voice. Used by a symptom.
 
-	var/gender_ambiguous = 0 //if something goes wrong during gender reassignment this generates a line in examine
-
 	var/bleed_rate = 0 //how much are we bleeding
 	var/bleedsuppress = 0 //for stopping bloodloss, eventually this will be limb-based like bleeding
 
diff --git a/code/modules/reagents/chemistry/recipes/slime_extracts.dm b/code/modules/reagents/chemistry/recipes/slime_extracts.dm
index 405df161612..7ff2156e3d0 100644
--- a/code/modules/reagents/chemistry/recipes/slime_extracts.dm
+++ b/code/modules/reagents/chemistry/recipes/slime_extracts.dm
@@ -472,6 +472,20 @@
 	var/obj/item/slimepotion/docility/P = new /obj/item/slimepotion/docility
 	P.loc = get_turf(holder.my_atom)
 
+/datum/chemical_reaction/gender
+	name = "Gender Potion"
+	id = "m_gender"
+	result = null
+	required_reagents = list("blood" = 1)
+	result_amount = 1
+	required_container = /obj/item/slime_extract/pink
+	required_other = 1
+
+/datum/chemical_reaction/gender/on_reaction(datum/reagents/holder)
+	feedback_add_details("slime_cores_used","[type]")
+	var/obj/item/slimepotion/genderchange/G = new /obj/item/slimepotion/genderchange
+	G.loc = get_turf(holder.my_atom)
+
 //Black
 /datum/chemical_reaction/slimemutate2
 	name = "Advanced Mutation Toxin"
diff --git a/code/modules/research/xenobiology/xenobiology.dm b/code/modules/research/xenobiology/xenobiology.dm
index 810d8aedba4..5534256453f 100644
--- a/code/modules/research/xenobiology/xenobiology.dm
+++ b/code/modules/research/xenobiology/xenobiology.dm
@@ -383,6 +383,30 @@
 	if(!uses)
 		qdel(src)
 
+/obj/item/slimepotion/genderchange
+	name = "gender change potion"
+	desc = "An interesting chemical mix that changes the biological gender of what its applied to. Cannot be used on things that lack gender entirely."
+	icon = 'icons/obj/chemical.dmi'
+	icon_state = "potlightpink"
+
+/obj/item/slimepotion/genderchange/attack(mob/living/L, mob/user)
+	if(!istype(L) || L.stat == DEAD)
+		user << "<span class='warning'>The potion can only be used on living things!</span>"
+		return
+
+	if(L.gender != MALE && L.gender != FEMALE)
+		user << "<span class='warning'>The potion can only be used on gendered things!</span>"
+		return
+
+	if(L.gender == MALE)
+		L.gender = FEMALE
+		L.visible_message("<span class='notice'>[L] suddenly looks more feminine!</span>")
+	else
+		L.gender = MALE
+		L.visible_message("<span class='notice'>[L] suddenly looks more masculine!</span>")
+	L.regenerate_icons()
+	qdel(src)
+
 ////////Adamantine Golem stuff I dunno where else to put it
 
 // This will eventually be removed.
diff --git a/icons/obj/chemical.dmi b/icons/obj/chemical.dmi
index 17c68ddb123..e7769484894 100644
Binary files a/icons/obj/chemical.dmi and b/icons/obj/chemical.dmi differ