The Warren London 2 in1 Pet Shampoo and Conditioner is an all-in-one formula that provides both a shampoo and a conditioner in one bottle. This shampoo is designed to be used on both dogs and cats, and it is safe for use on both species. The shampoo is infused with shea butter, coconut, vitamin E, and plant proteins, and it contains no soap, detents, or parabens. The shampoo is also made in the USA, and it is paraben free.