FRONTLINE Top Spot for Dogs, the recipient of the Good Housekeeping Seal of Approval, for dog products is an easy-to-apply liquid that provides your pet with guaranteed control against fleas and ticks. • Kills 98–100% of existing fleas in less than 24 hours • Continues killing fleas for an entire month or more • Remains waterproof for 30 days, even if your dog or cat swims or is bathed • Gentle enough for use on puppies 8 weeks of age or older

FRONTLINE PLUS is the most complete flea and tick control available. Not only does FRONTINE Plus kill 98–100% of adult fleas on your pet within 24 hours, it also contains a special ingredient that kills flea eggs and larvae to keep ALL stages of fleas from developing and bothering your pet and your family. FRONTLINE Plus completely breaks the flea life cycle by effectively stopping the development of new fleas. And, FRONTLINE Plus kills all stages of 4 major ticks including the one which may carry Lyme disease. FRONTLINE Plus remains waterproof for 30 days, even if your dog or cat swims or is bathed, and is gentle enough for use on puppies and kittens 8 weeks of age or older. 

See Also Frontline for Cats