“Frontline Plus provides long-lasting effective control of fleas and ticks on your cat and dog as well as in your home. Kills 98 - 100% of existing fleas in less than 24 hours. Continues killing for an entire month or more. Remains waterproof for 30 days, even if your dog or cat swims or bathes. Gentle enough for use on puppies and kittens 8 weeks of age or older. Not only does FRONTLINE 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 Lime disease.”