Zodiac Oatmeal Conditioning Shampoo for Dogs & PuppiesZodiac Oatmeal Conditioning Shampoo for Dogs and Puppies kills adult fleas, flea eggs, ticks and lice on contact, while still being gentle to your pets skin. Prevents flea eggs from hatching for up to 28 days. Kills fleas, ticks, lice and flea eggs Leaves coat soft, shiny and manageable Lingering fresh fragrance Gives your pet a smooth, glossy coat and leaves a lingering, fresh fragrance. Active Ingredients: (S) Methoprene: 0. 10% Pyrethrins: 0. 15%