Best shampoo Adams Plus Flea and Tick Shampoo ... but are generally less effective than topical or oral treatments. Seresto Flea and Tick Collar for Dogs provides eight months of protection ...

Seresto flea and tick collars contain 250 ppt of a long-chain PFAS. Seresto is a plastic band impregnated with insecticides and other ingredients that are released over time and coat an animal’s fur.

Over 10 Years Agency Has Received Average of 25 Reports Daily of Injuries to Pets Wearing Seresto Collars But Taken No Action WASHINGTON— Reports of harm to pets wearing Seresto flea collars have now ...