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Review title: Does not Work
Product review: I have used Frontline in the past and it worked great. But this batch was terrible. The day that I applied Frontline to my cats, they went nuts scratching while the fleas died. It worked for just a few days and by day 4, the fleas were back. I have to comb them every day to keep the population down. As the month goes on, the fleas get worse and worse until by week 3 I can't wait to try another dose of something help my poor cats. But I can't use Frontline or another heavy duty chemical for at least 30 days. The Frontline box says it will last for 6 weeks. That's a joke! Same review for dog version of Frontline. I had purchased 6 vials so I tried for 3 months with the same results. And the cost is enormous!
