DermaPet MalAcetic Otic Cleanser is an all natural, patented formula for ears and skin containing 2% acetic and boric acids. DermaPet MalAcetic Otic Ear and Skin Cleanser is effective against yeast, the most common complication in ear problems as well as other bacteria and microbes, such as malassezia and pseudomonas staph. Treat and prevent your pet's ear and skin problems with DermaPet MalAcetic Otic Ear and Skin Cleanser. Apple scented, 4 ounce bottle.