Formulated using thymol and camphor, Dermal + Aid treats fungal, bacterial and allergic conditions of the equine skin within a few applications. Penetrating through 7 layers, it provides maximum healing effectiveness and deep treatment, stopping the spread of such skin conditions as ringworm. Does your dog itch, scratch, bite or chew? Treatment of allergic dermatitis with Dermal + Aid will get rid of those irritated skin conditions. Just apply two times a day on the affected area and watch the red and irritated condition disappear. Do not use on cats.