Horse Sense Emerald Black Shampoo will clean, condition and deepen dark tones in the coats of black or dark colored horses. Formulated to remove red tones, and brassy colors resulting from sun damage, Black Emerald shampoo is super concentrated so this one liter bottle makes 32 liters of rich, luxurious shampoo. Deep cleaning Emerald Black leaves your dark horse clean, gleaming and smelling great too!