Fake Seresto or Frontline? How to Check Authenticity Before You Use It
Counterfeit flea and tick products do exist, but a rash, failed treatment or Amazon purchase does not prove a product is fake. This updated US-focused guide shows how to check a suspicious Seresto collar or Frontline product using the seller, current EPA label, packaging, lot/batch details and manufacturer support—and what to do if your pet reacts.
11 min
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