Cerasoothe KET Antiseptic Flush: A gentle antifungal and antibacterial skin and ear cleansing solution. Ketoconazole fights yeast and fungi. Tromethamine (TRIS) helps break down bacteria cell walls. Ceramides and avenanthramides are skin nourishing nutrients that moisturize and calm the skin. They also support the skin's natural immune system and provide building blocks for renewed skin barrier integrity. For use on cats and dogs for the antiseptic cleansing of skin and ears.