Advantage flea control for cats is a once a month topical flea treatment for cats 8 weeks of age or older. Advantage flea control kills 98-100% of
the fleas on cats within 12 hours of application. Advantage flea
control kills re-infesting fleas on your cat within 2 hours and lasts up to 1
month. Advantage flea treatment kills fleas before they lay eggs. One
treatment of Advantage flea control for cats prevents further infestation for at
least 4 weeks and keeps on working after swimming or bathing.