Introduce the Distillery, a few recipes, and new chemicals. Introduce chemical patches, which apply on-touch chemicals, and can be dissolved a la pills.

code/modules/reagents/reagent_containers/glass.dm

@@ -44,7 +44,8 @@
 		/obj/machinery/smartfridge/,
 		/obj/machinery/biogenerator,
 		/obj/structure/frame,
-		/obj/machinery/radiocarbon_spectrometer
+		/obj/machinery/radiocarbon_spectrometer,
+		/obj/machinery/portable_atmospherics/powered/reagent_distillery
 		)
 
 /obj/item/weapon/reagent_containers/glass/Initialize()

code/modules/reagents/reagent_containers/patch.dm

@@ -0,0 +1,82 @@
+
+/*
+ * Patches. A subtype of pills, in order to inherit the possible future produceability within chem-masters, and dissolving.
+ */
+
+/obj/item/weapon/reagent_containers/pill/patch
+	name = "patch"
+	desc = "A patch."
+	icon = 'icons/obj/chemical.dmi'
+	icon_state = null
+	item_state = "pill"
+
+	base_state = "patch"
+
+	possible_transfer_amounts = null
+	w_class = ITEMSIZE_TINY
+	slot_flags = SLOT_EARS
+	volume = 60
+
+	var/pierce_material = FALSE	// If true, the patch can be used through thick material.
+
+/obj/item/weapon/reagent_containers/pill/patch/attack(mob/M as mob, mob/user as mob)
+	var/mob/living/L = user
+
+	if(M == L)
+		if(istype(M, /mob/living/carbon/human))
+			var/mob/living/carbon/human/H = M
+			var/obj/item/organ/external/affecting = H.get_organ(check_zone(L.zone_sel.selecting))
+			if(!affecting)
+				to_chat(user, "<span class='warning'>The limb is missing!</span>")
+				return
+			if(affecting.status >= ORGAN_ROBOT)
+				to_chat(user, "<span class='notice'>\The [src] won't work on a robotic limb!</span>")
+				return
+
+			if(!H.can_inject(user, FALSE, L.zone_sel.selecting, pierce_material))
+				to_chat(user, "<span class='notice'>\The [src] can't be applied through such a thick material!</span>")
+				return
+
+			to_chat(H, "<span class='notice'>\The [src] is placed on your [affecting].</span>")
+			M.drop_from_inventory(src) //icon update
+			if(reagents.total_volume)
+				reagents.trans_to_mob(M, reagents.total_volume, CHEM_TOUCH)
+			qdel(src)
+			return 1
+
+	else if(istype(M, /mob/living/carbon/human))
+		var/mob/living/carbon/human/H = M
+		var/obj/item/organ/external/affecting = H.get_organ(check_zone(L.zone_sel.selecting))
+		if(!affecting)
+			to_chat(user, "<span class='warning'>The limb is missing!</span>")
+			return
+		if(affecting.status >= ORGAN_ROBOT)
+			to_chat(user, "<span class='notice'>\The [src] won't work on a robotic limb!</span>")
+			return
+
+		if(!H.can_inject(user, FALSE, L.zone_sel.selecting, pierce_material))
+			to_chat(user, "<span class='notice'>\The [src] can't be applied through such a thick material!</span>")
+			return
+
+		user.visible_message("<span class='warning'>[user] attempts to place \the [src] onto [H]`s [affecting].</span>")
+
+		user.setClickCooldown(user.get_attack_speed(src))
+		if(!do_mob(user, M))
+			return
+
+		user.drop_from_inventory(src) //icon update
+		user.visible_message("<span class='warning'>[user] applies \the [src] to [H].</span>")
+
+		var/contained = reagentlist()
+		add_attack_logs(user,M,"Applied a patch containing [contained]")
+
+		to_chat(H, "<span class='notice'>\The [src] is placed on your [affecting].</span>")
+		M.drop_from_inventory(src) //icon update
+
+		if(reagents.total_volume)
+			reagents.trans_to_mob(M, reagents.total_volume, CHEM_TOUCH)
+		qdel(src)
+
+		return 1
+
+	return 0

code/modules/reagents/reagent_containers/pill.dm

@@ -7,6 +7,9 @@
 	icon = 'icons/obj/chemical.dmi'
 	icon_state = null
 	item_state = "pill"
+
+	var/base_state = "pill"
+
 	possible_transfer_amounts = null
 	w_class = ITEMSIZE_TINY
 	slot_flags = SLOT_EARS
@@ -15,7 +18,7 @@
 /obj/item/weapon/reagent_containers/pill/Initialize()
 	. = ..()
 	if(!icon_state)
-		icon_state = "pill[rand(1, 4)]" //preset pills only use colour changing or unique icons
+		icon_state = "[base_state][rand(1, 4)]" //preset pills only use colour changing or unique icons
 
 /obj/item/weapon/reagent_containers/pill/attack(mob/M as mob, mob/user as mob)
 	if(M == user)