Frontline Top Spot for Cats is a once-a-month, topical spot-on treatments for fast-acting, long lasting control of fleas for up to 3 months and ticks for up to 1 month. Maintains its effectiveness after swimming or baths. For cats and kittens over 8 weeks of age. Contains Fipronil to kill adult fleas and ticks. Frontline Plus has all the benefits of FRONTLINE Top Spot with an extra ingredient,(S)-methoprene. Not only kills adult fleas, but also breaks the flea life cycle by killing their eggs and larvae, preventing re-infestation.
