Frontline Plus quickly kills adult fleas and breaks the flea life cycle to effectively control reinfestation. Waterproof formula contains fipronil to quickly kill adult fleas and ticks and methoprene, an effective IGR to prevent flea eggs from hatching. Each application controls fleas for up to three months and ticks for up to one month. Spot-on treatment is easy to use; simply part hair and apply directly to skin. Safe for dogs and puppies over eight weeks old and for cats and kittens over eight weeks old.

Price is for a 3 month supply of Frontline Plus.