Easy and convenient application controls infestations of fleas, flea eggs, maggot-like flea larvae, pupae, ticks and lice. Kills and repels mosquitoes that may carry heartworm disease. Repels against biting flies. Quick-drying, non-greasy solution remains effective after bathing, shampooing, water immersion and sunlight exposure. 

Contains 6% fipronil, 44.8% permethrin and 1.8% pyriproxyfen. 

Directions: For use on dogs and puppies 8 weeks of age or older. Do not use on cats.For Small dogs - deposit entire contents onto dog's back, at a single spot, between the shoulder blades; Medium dogs - apply evenly to 3 spots on dog's back, starting between shoulder blades; Large dogs - apply evenly to 4 spots on dog's back, starting between shoulder blades.