Provecta Advanced contains imidacloprid, permethrin and pyriproxyfen, an insect growth regulator (IGR); the same ingredients as K9 antix II. Once-a-moAdvantix II. Once-a-month, fragrance-free topical prevention and treatment that repels and kills ticks, fleas and weeks or older. Remosquitos. For dogs 7 weeks or older. Remains effective after bathing and swimming. Four doses in every carton.