Once-a-month topical solution for the prevention and treatment of ticks, fleas, mosquitoes, biting flies and lice on dogs. Active ingredients: imidacloprid 8.8%, permethrin 44.0%, pyriproxyfen 0.44%

Repels and kills ticks including Deer ticks, American dog ticks, Brown dog ticks, and Lone Star ticks for up to 4 weeks
Repels and kills mosquitoes for up to 4 weeks
Kills fleas on dogs within 12 hours and continues to prevent infestations for 1 month
Repels and kills all life stages of fleas
Prevents development of fleas, flea eggs, pupae and larvae for 1 month
Repels and prevents blood-feeding by biting flies
Kills chewing lice
Waterproof