E3 Brightening Shampoo is an all-natural formula to eliminate yellow hair color on horses. It is designed to create brighter manes, tails and coats with a delightful sweet fragrance. It is fortified with Nano-vitamins that features 20% more optical brighteners for shinier highlights, brighter whites and more silvery grays. This concentrated formula deeply cleans hair and coat of horses to help remove dirt and oily buildups. It provides superior performance while offering value for money. This product is K9 approved and comes in 32 oz. bottle.