Popular flea and tick products were sent to a certified lab, which found that: Frontline Plus for Dogs, a popular topical flea and tick product, contains 2,390 parts per trillion (ppt) of four ...

Don't buy Frontline for your pet, it used to work on my dogs couple of years ago, now it's less effective. First use my dogs are biting and itching constantly now than before apply. The money I ...

K9 Advantix II replaces Frontline Plus, our former top pick for best topical ... It's important to note that K9 Advantix II is for use on dogs only. The product is extremely toxic to cats, as ...