diff --git a/code/__defines/_reagents.dm b/code/__defines/_reagents.dm
index ab43653eccc..e4d5dbb6dd6 100644
--- a/code/__defines/_reagents.dm
+++ b/code/__defines/_reagents.dm
@@ -186,6 +186,12 @@
 #define REAGENT_ID_POLYMORPH "polymorph"
 #define REAGENT_GLAMOUR "Glamour"
 #define REAGENT_ID_GLAMOUR "glamour"
+#define REAGENT_GLAMOUR_INVIS "Clear Glamour"
+#define REAGENT_ID_GLAMOUR_INVIS "transparent_glamour"
+#define REAGENT_GLAMOUR_SCALE "Scaling Glamour"
+#define REAGENT_ID_GLAMOUR_SCALE "scaling_glamour"
+#define REAGENT_GLAMOUR_TWINKLING "Twinkling Glamour"
+#define REAGENT_ID_GLAMOUR_TWINKLING "twinkling_glamour"
 #define REAGENT_INAPROVALINE "Inaprovaline"
 #define REAGENT_ID_INAPROVALINE "inaprovaline"
 #define REAGENT_INAPROVALAZE "Inaprovalaze"
diff --git a/code/modules/hydroponics/grown.dm b/code/modules/hydroponics/grown.dm
index 69158e84925..e2706b5dc39 100644
--- a/code/modules/hydroponics/grown.dm
+++ b/code/modules/hydroponics/grown.dm
@@ -54,8 +54,8 @@
 					rtotal += round(potency/reagent_data[2])
 				if(rid == REAGENT_ID_NUTRIMENT)
 					data[seed.seed_name] = max(1,rtotal)
-
-				reagents.add_reagent(rid,max(1,rtotal),data)
+				if(rid != REAGENT_ID_GLAMOUR_INVIS)
+					reagents.add_reagent(rid,max(1,rtotal),data)
 		update_desc()
 		if(reagents.total_volume > 0)
 			bitesize = 1+round(reagents.total_volume / 2, 1)
diff --git a/code/modules/mob/living/carbon/human/species/lleill/lleill_items.dm b/code/modules/mob/living/carbon/human/species/lleill/lleill_items.dm
index 29db8b4b779..31c9494181c 100644
--- a/code/modules/mob/living/carbon/human/species/lleill/lleill_items.dm
+++ b/code/modules/mob/living/carbon/human/species/lleill/lleill_items.dm
@@ -11,11 +11,11 @@
 /obj/item/reagent_containers/glass/bottle/potion/invisibility
 	name = "transparent potion"
 	desc = "A small white potion, the clear liquid inside can barely be seen at all."
-	prefill = list("transparent glamour" = 1)
+	prefill = list(REAGENT_ID_GLAMOUR_INVIS = 1)
 
 /datum/reagent/glamour_transparent
-	name = "Clear Glamour"
-	id = "transparent glamour"
+	name = REAGENT_GLAMOUR_INVIS
+	id = REAGENT_ID_GLAMOUR_INVIS
 	description = "This material is from somewhere else, it can barely be seen by the naked eye."
 	taste_description = "nothingness"
 	reagent_state = LIQUID
@@ -49,11 +49,11 @@
 /obj/item/reagent_containers/glass/bottle/potion/scaling
 	name = "scaling potion"
 	desc = "A small white potion, the clear liquid inside can barely be seen at all."
-	prefill = list("scaling glamour" = 1)
+	prefill = list(REAGENT_ID_GLAMOUR_SCALE = 1)
 
 /datum/reagent/glamour_scaling
-	name = "Scaling Glamour"
-	id = "scaling glamour"
+	name = REAGENT_GLAMOUR_SCALE
+	id = REAGENT_ID_GLAMOUR_SCALE
 	description = "This material is from somewhere else, it appears to change volumes readily at a glance."
 	taste_description = "difficult to discern"
 	reagent_state = LIQUID
@@ -84,11 +84,11 @@
 /obj/item/reagent_containers/glass/bottle/potion/darksight
 	name = "twinling potion"
 	desc = "A small white potion, the thin white liquid inside twinkles brightly."
-	prefill = list("twinkling glamour" = 1)
+	prefill = list(REAGENT_ID_GLAMOUR_TWINKLING = 1)
 
 /datum/reagent/glamour_twinkling
-	name = "Twinkling Glamour"
-	id = "twinkling glamour"
+	name = REAGENT_GLAMOUR_TWINKLING
+	id = REAGENT_ID_GLAMOUR_TWINKLING
 	description = "This material is from somewhere else, it appears to be twinkling."
 	taste_description = "bright"
 	reagent_state = LIQUID