At a Glance
Kills fleas and ticks within 48 hours
Kills flea eggs and larvae, preventing maturation and further infestation
Protection lasts for 30 days
Waterproof
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Rated 4 out of 5 by 381 reviewers.

  • Good Product
    I've used Frontline for years. Very Effective. by on 06/09/2018
  • heartworm prevention
    Find that Frontline helps keep the fleas, ticks and mosquitos at bay. Easy to apply and quick. by on 01/15/2018
  • Not always productive
    Pet is still infested with fleas and is constantly scratching. I'm tempted to introduce a second dose well before the recommended thirty day period. by on 06/29/2016
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