Frontline Plus for Dogs, a popular topical flea and tick product, contains 2,390 parts per trillion (ppt) of four different PFAS, including GenX. Frontline is a liquid pesticide applied between the ...

The active ingredients of the flea collar are imidacloprid and flumethrin. Imidacloprid is widely used in the United States and is among the neonicotinoid pesticides widely implicated in declines of ...