Ollos helps prevent oxidation in your pet by regulating the PH that causes the brown or reddish color of body fluids, which ultimately stains the hair around the eyes or on your pet's paws if licked. The natural ingredients in Ollos are chosen with your pet's well-being in mind. Simply add Ollos to your pet's food every day to maximize the impact on the digestive system. From the inside out, the PH of the mucous membranes will be more neutral and less discolored.