Frontline offers fast, effective, and convenient treatment and control of fleas, ticks, and chewing lice for dogs and puppies. Frontline stops and prevents infestations, as well as controlling and preventing reinfestations. Frontline’s formula is fast acting, long lasting, and waterproof. Frontline can be used on puppies and kittens 8 weeks and older. Frontline offers Frontline Spray and Frontline Plus; both are powerful and effective monthly topical solutions.