Advantage II is an easy-to-apply topical that kills fleas through contact so that tey don't have to bite your pet to die.  Advantage II kills fleas rapidly-within 12 hours of initial application- and is waterproof after 24 hours.

Advantage II effectively treats existing flea infestations and prevents further infestations by killing adult fleas, flea larvae and flea eggs to break the flea life cycle.  Reinfesting fleas are killed within 2 hours, and protection against further flea infestations lasts for up to one month.  For use on cat & kittens 8 weeks of age & older.

Small Cat 5-9lbs

Large Cat 9+lbs

Active Ingredients:

9.10% imidacloprid

0.46% pyriproxyfen