Advantage (Topical Treatment)
(Cats and dogs, 7 wk-old puppies and 8 wk-old kittens)
Kills fleas and flea
larvae on pet, inhibits "larval development in your pet's surroundings by more than 99 percent."
Treatment lasts for up to one month (given topically)
Advantage claims to stop fleas from biting in 3 - 5 minutes after application.
Advantage kills 98-100 percent
of fleas within 12 hours of application, before they lay eggs, so their life cycle is broken. And because it kills flea larvae within 20 minutes of contact, you don't need to use an insect growth