Advantage® II starts working on contact, and starts killing fleas within an hour.
Within 12 hours of initial application, 98-100 percent of all existing fleas on pets are dead.
Safe for use on dogs and puppies weighing as little as 3lbs and as young as 7 weeks old.
Advantage® II kills all life stages of fleas using an adulticide (imidacloprid) and an insect growth regulator (pyriproxyfen).
Advantage® II is waterproof and prevents fleas on treated pets from infesting your home.