Imidacloprid, permethrin, pyriproxyfen. Once-a-month topical application for dogs and puppies that repels and kills ticks, fleas
and mosquitoes. Repels biting flies and kills lice. Kills all life stages of fleas and prevents development of fleas, flea eggs,
larvae and pupae. Prevents fleas on a treated dog from reinfesting the home. Kills fleas within 12 hours, and kills reinfesting
fleas within 2 hours. Waterproof.