K9 Advantix II replaces Frontline Plus, our former top pick for best topical flea and tick prevention, because many veterinarians say that, anecdotally, Frontline Plus seems to be less effective ...

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 ...

Frontline Plus for Cats - See at Chewy Best fast-acting: Comfortis Chewable Tablets for Cats and Dogs - See at Chewy Best collar: Seresto Flea and Tick Collar for Cats - See at Chewy Best for ...

If you haven’t already started gathering your arsenal of tick and flea repellents and ... Pyriproxyfen 0.44% No Prescription Required 2. Frontline Plus: ...