K9 Advantix II for DogsK9 Advantix II for Dogs is a topical treatment that repels and kills fleas, ticks, mosquitoes, lice, biting flies, flea eggs, and flea larvae. It provides both prevention and treatment, offering fast acting, long lasting protection. Waterproof and designed for monthly use, it is safe for dogs and puppies 7 weeks of age and older. When you apply K9 Advantage to your pet, it spreads at the hair root level over the skin's surface, assisted by the