Performer Ear Mite Killer kills and repels ear mites, flies, gnats, mosquitos, mange mites, fleas and ticks. Ideal for exposed skin surfaces on dogs, cats and horses. Repels for 3-5 days Not recommended for nursing puppies or kittens. Active Ingredients: Pyrethrins, Piperonyl Butoxide, N-Octyl bicycloheptene dicarboximide, Di-n-propyl isocinchomeronate Suggested Usage: Clean ear to remove built-up wax and dirt. Dry and apply a thin film of treatment.