Deliver total flea protection to your cat or kitten with Advantage II Kitten. This vet-recommended . topical treatment and prevention formula kills adult fleas . flea larvae . and flea eggs on contact within 12 hours of application – meaning fleas can be eliminated before they bite or lay new eggs. Effectively break the flea life cycle . control existing flea and lice infestations . and prevent further infestations with one simple application. Advantage II Kitten flea protection is effective on both indoor and outdoor cats. Your cat should be at least 8 weeks old to use Advantage II Kitten.