Advantage flea treatment kills 98-100% of fleas in 12 hours! Stops fleas from biting in 3-5 minutes. One application of Advantage flea treatment lasts a whole month. Want to bathe your dog or cat inbetween applications? Go ahead! Advantage is water-resistant! Your dog or cat need fast results? Advantage is the flea control treatment to use for your dog and cat! Easy to use and safe on pet's skin. Advantage flea treatment is so gentle it can be used on kittens 8 weeks old. To learn more go to our Advantage Flea Control FAQ page.