I am VERY disappointed with this product and the company (Merial) that makes it. I have a small 4.5# dog (indoor except for pottying, 4 mos. old, only pet, ) that has a mild case of fleas - no tics or other pests. After applying the product 1 week earlier, I only saw a small reduction in scratching. Still found a few live fleas; it clearly did not work for MY dog. When I called the company re: their "Satisfaction Guarantee" prominently placed on their packaging, I was told that in order to claim a refund, I needed to use the product... read full review »