Ticks and fleas are no match for FRONTLINE Plus for Dogs Flea and Tick Treatment. This product is a fast-acting, long-lasting, and waterproof treatment and control for ticks and fleas on dogs. It's easy to use, simply apply the topical solution to your dog's skin at the base of the neck once a month. FRONTLINE Plus for Dogs Flea and Tick Treatment is approved for use on dogs 5-22 lbs. FRONTLINE Plus for Dogs Flea and Tick Treatment not only kills fleas and ticks, but it also breaks the flea life cycle, preventing future infestations. Plus, it's easy to apply and doesn't leave a messy residue. Keep your dog happy, healthy, and flea-free with FRONTLINE Plus for Dogs Flea and Tick Treatment.