FRONTLINE Plus Blue for Dogs (23-44 Pounds) Flea & Tick Spot Treatment is a fast-acting, waterproof flea and tick treatment proven to kill adult fleas, flea eggs, flea larvae, chewing lice and ticks.
Approved for use in dogs eight weeks or older,
Safe for nursing or pregnant dogs.
Fipronil and (S)-Methoprene.
Suitable for dogs 23-44 pounds.