Insecticide, IGR, waterproofing agent and repellent all in one spray for dogs, puppies, cats and kittens. Quick knockdown of adult fleas. Also kills ticks and repels flies, gnats and mosquitoes. Over 3 weeks residual flea control in dogs not exposed to water. Contains the IGR Nylar (pyriproxifen) to provide over 3 months control of flea eggs