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Nov 18, 2025 - 12:55 PM
We’ve provided several answers to questions related to Adams Flea & Tick (Etofenprox, (S)-Methoprene, and Piperonyl Butoxide) , see some other helpful Q&A related to this product.
Question: What is S-Methoprene and what does it do in this shampoo?
Answer: S-Methoprene is an insect growth regulator (IGR) that prevents flea eggs and larvae from developing into adult fleas. By interrupting the flea life cycle, S-Methoprene helps prevent re-infestation, making long-term control easier for pet owners.
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