Zymox Enzymatic Rinse for Acute and Chronic Skin Conditions in Pets - 12 ounces Your best defense in the war on recurring skin infections is the Zymox three point enzyme system which helps destroy bacteria and fungi! Gentle on the skin yet tough on bacterial and fungal infections. It does contain natural enzymes - lactoperoxidase, lyozyme and lactoferrin. Pure and gentle enough for puppies and kittens. Does not contain harsh detergents, pesticides, colorings or residual petroleum products.