diff --git a/code/game/objects/items/devices/scanners.dm b/code/game/objects/items/devices/scanners.dm
index 5d43a23b4c..57b9e89af7 100644
--- a/code/game/objects/items/devices/scanners.dm
+++ b/code/game/objects/items/devices/scanners.dm
@@ -341,9 +341,19 @@ SLIME SCANNER
 		if(M.reagents)
 			var/msg = "<span class='info'>*---------*\n"
 			if(M.reagents.reagent_list.len)
-				msg += "<span class='notice'>Subject contains the following reagents:</span>\n"
+				var/list/datum/reagent/reagents = list()
 				for(var/datum/reagent/R in M.reagents.reagent_list)
-					msg += "<span class='notice'>[R.volume] units of [R.name][R.overdosed == 1 ? "</span> - <span class='boldannounce'>OVERDOSING</span>" : ".</span>"]\n"
+					if(R.invisible)
+						continue
+					reagents += R
+
+				if(length(reagents))
+					msg += "<span class='notice'>Subject contains the following reagents:</span>\n"
+					for(var/datum/reagent/R in reagents)
+						msg += "<span class='notice'>[R.volume] units of [R.name][R.overdosed == 1 ? "</span> - <span class='boldannounce'>OVERDOSING</span>" : ".</span>"]\n"
+				else
+					msg += "<span class='notice'>Subject contains no reagents.</span>\n"
+
 			else
 				msg += "<span class='notice'>Subject contains no reagents.</span>\n"
 			if(M.reagents.addiction_list.len)
diff --git a/code/modules/antagonists/changeling/powers/tiny_prick.dm b/code/modules/antagonists/changeling/powers/tiny_prick.dm
index 5a701d8a96..68ddf3ce28 100644
--- a/code/modules/antagonists/changeling/powers/tiny_prick.dm
+++ b/code/modules/antagonists/changeling/powers/tiny_prick.dm
@@ -62,13 +62,13 @@
 
 
 /obj/effect/proc_holder/changeling/sting/transformation
-	name = "Transformation Sting"
-	desc = "We silently sting a human, injecting a retrovirus that forces them to transform."
-	helptext = "The victim will transform much like a changeling would. Does not provide a warning to others. Mutations will not be transferred, and monkeys will become human. This ability is loud, and might cause our blood to react violently to heat."
+	name = "Temporary Transformation Sting"
+	desc = "We silently sting a human, injecting a chemical that forces them to transform into a chosen being for a limited time. Additional stings extend the duration."
+	helptext = "The victim will transform much like a changeling would for a limited time. Does not provide a warning to others. Mutations will not be transferred, and monkeys will become human. This ability is loud, and might cause our blood to react violently to heat."
 	sting_icon = "sting_transform"
-	chemical_cost = 50
-	dna_cost = 3
-	loudness = 2
+	chemical_cost = 10
+	dna_cost = 2
+	loudness = 1
 	var/datum/changelingprofile/selected_dna = null
 	action_icon = 'icons/mob/actions/actions_changeling.dmi'
 	action_icon_state = "ling_sting_transform"
@@ -97,19 +97,19 @@
 	return 1
 
 /obj/effect/proc_holder/changeling/sting/transformation/sting_action(mob/user, mob/target)
-	log_combat(user, target, "stung", "transformation sting", " new identity is '[selected_dna.dna.real_name]'")
-	var/datum/dna/NewDNA = selected_dna.dna
+
 	if(ismonkey(target))
 		to_chat(user, "<span class='notice'>Our genes cry out as we sting [target.name]!</span>")
 
 	var/mob/living/carbon/C = target
 	. = TRUE
 	if(istype(C))
-		C.real_name = NewDNA.real_name
-		NewDNA.transfer_identity(C)
-		if(ismonkey(C))
-			C.humanize(TR_KEEPITEMS | TR_KEEPIMPLANTS | TR_KEEPORGANS | TR_KEEPDAMAGE | TR_KEEPVIRUS | TR_DEFAULTMSG)
-		C.updateappearance(mutcolor_update=1)
+		if(C.reagents.has_reagent("changeling_sting_real"))
+			C.reagents.add_reagent("changeling_sting_real",120)
+			log_combat(user, target, "stung", "transformation sting", ", extending the duration.")
+		else
+			C.reagents.add_reagent("changeling_sting_real",120,list("desired_dna" = selected_dna.dna))
+			log_combat(user, target, "stung", "transformation sting", " new identity is '[selected_dna.dna.real_name]'")
 
 
 /obj/effect/proc_holder/changeling/sting/false_armblade
diff --git a/code/modules/reagents/chemistry/reagents.dm b/code/modules/reagents/chemistry/reagents.dm
index 9bfbffd330..0e5c2b39a5 100644
--- a/code/modules/reagents/chemistry/reagents.dm
+++ b/code/modules/reagents/chemistry/reagents.dm
@@ -34,9 +34,7 @@
 	var/overdosed = 0 // You fucked up and this is now triggering its overdose effects, purge that shit quick.
 	var/self_consuming = FALSE
 	var/metabolizing = FALSE
-
-
-
+	var/invisible = FALSE //Set to true if it doesn't appear on handheld health analyzers.
 
 /datum/reagent/Destroy() // This should only be called by the holder, so it's already handled clearing its references
 	. = ..()
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index 42b012d52f..840a57055c 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -1924,3 +1924,41 @@
 			P.length += added_length
 			P.update()
 	..()
+
+/datum/reagent/changeling_string
+	name = "UNKNOWN"
+	id = "changeling_sting_real"
+	description = "404: Chemical not found."
+	metabolization_rate = REAGENTS_METABOLISM
+	color = "#0000FF"
+	can_synth = FALSE
+	var/datum/dna/original_dna
+	var/reagent_ticks = 0
+	invisible = TRUE
+
+/datum/reagent/changeling_string/on_mob_metabolize(mob/living/carbon/C)
+	if(C && C.dna && data["desired_dna"])
+		original_dna = new C.dna.type
+		C.dna.copy_dna(original_dna)
+		var/datum/dna/new_dna = data["desired_dna"]
+		new_dna.copy_dna(C.dna)
+		C.real_name = new_dna.real_name
+		C.updateappearance(mutcolor_update=1)
+		C.update_body()
+		C.domutcheck()
+		C.regenerate_icons()
+	..()
+
+/datum/reagent/changeling_string/on_mob_end_metabolize(mob/living/carbon/C)
+	if(original_dna)
+		original_dna.copy_dna(C.dna)
+		C.real_name = original_dna.real_name
+		C.updateappearance(mutcolor_update=1)
+		C.update_body()
+		C.domutcheck()
+		C.regenerate_icons()
+	..()
+
+/datum/reagent/changeling_string/Destroy()
+	qdel(original_dna)
+	return ..()