Basil and Rex is always intentional with every single ingredient and this shampoo is no exception. All ingredients are always listed. 

Instructions: Shake well. Put shampoo in your hand and use the pup massager to make this the most enjoyable bath your dog will experience. Keep adding shampoo as the amount will differ depending on the dog's size, hair type, and hair length. Your dog will be left with clean, soft, and great smelling hair.