diff --git a/code/datums/diseases/advance/symptoms/hair.dm b/code/datums/diseases/advance/symptoms/hair.dm
new file mode 100644
index 00000000000..60419bd5b25
--- /dev/null
+++ b/code/datums/diseases/advance/symptoms/hair.dm
@@ -0,0 +1,49 @@
+/*
+//////////////////////////////////////
+Cranial Hypertrichosis
+
+	Very very Noticeable.
+	Decreases resistance slightly.
+	Decreases stage speed.
+	Reduced transmittability
+	Intense Level.
+
+BONUS
+	Makes the mob grow massive hair, regardless of gender.
+
+//////////////////////////////////////
+*/
+
+/datum/symptom/hair
+	name = "Cranial Hypertrichosis"
+	stealth = -3
+	resistance = -1
+	stage_speed = -3
+	transmittable = -1
+	level = 4
+	severity = 1
+
+/datum/symptom/hair/Activate(datum/disease/advance/A)
+	..()
+	if(prob(SYMPTOM_ACTIVATION_PROB))
+		if(!ishuman(A.affected_mob))
+			return
+		var/mob/living/carbon/human/H = A.affected_mob
+		if(H.dna.species.bodyflags & BALD)
+			return
+		var/obj/item/organ/external/head/head_organ = H.get_organ("head")
+		if(!istype(head_organ))
+			return
+		switch(A.stage)
+			if(1, 2, 3)
+				to_chat(H, "<span class='warning'>Your scalp itches.</span>")
+				head_organ.h_style = random_hair_style(H.gender, head_organ.dna.species.name)
+			else
+				to_chat(H, "<span class='warning'>Hair bursts forth from your scalp!</span>")
+				var/datum/sprite_accessory/tmp_hair_style = GLOB.hair_styles_full_list["Very Long Hair"]
+
+				if(head_organ.dna.species.name in tmp_hair_style.species_allowed) //If 'Very Long Hair' is a style the person's species can have, give it to them.
+					head_organ.h_style = "Very Long Hair"
+				else //Otherwise, give them a random hair style.
+					head_organ.h_style = random_hair_style(H.gender, head_organ.dna.species.name)
+		H.update_hair()
diff --git a/paradise.dme b/paradise.dme
index 66918f06b5c..10fded4cabf 100644
--- a/paradise.dme
+++ b/paradise.dme
@@ -446,6 +446,7 @@
 #include "code\datums\diseases\advance\symptoms\fever.dm"
 #include "code\datums\diseases\advance\symptoms\fire.dm"
 #include "code\datums\diseases\advance\symptoms\flesh_eating.dm"
+#include "code\datums\diseases\advance\symptoms\hair.dm"
 #include "code\datums\diseases\advance\symptoms\hallucigen.dm"
 #include "code\datums\diseases\advance\symptoms\headache.dm"
 #include "code\datums\diseases\advance\symptoms\heal.dm"