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Review title: I won't be buying this product again!
Product review: I have been using frontline in this house since we moved in 13 years ago. I have four dogs and six cats and I never had fleas ~ never. Last year I had fleas for the first time and figured it was just a fluke or something. I treated the whole house and finally got rid of them. This year I even started the Frontline a month earlier and I got fleas again this summer! I don't know if Merial changed the formula of this product or the fleas have evolved to the point where they are immune to it's effects, but either way this product no longer works. I've had several friends mention problems with it as well. I will not be purchasing this product again!
