PetArmor® Plus Flea and Tick Protection for DogsYour family is our family. Were here to help protect your dog with vet quality care you can use at home. With the same active ingredients as FRONTLINE Plus for Dogs for less,* PetArmor Plus for Dogs is a fast acting topical that kills fleas, flea eggs, flea larvae, ticks and chewing lice for up to 30 days. Reapply monthly to kick pests to the curb year round.