What is the base ingredient in your laundry soap? Is it Castile?
Hi Emily! Charlie's is not Castille Soap. The ingredients for the liquid are:
Water (7732-18-5); C12-16 Pareth-9 (68551-12-2); C10-14 Alcohol Ethoxylates (66455-15-0); Sodium Carbonate (497-19-8)