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Joe from Ste. Genevieve, Mo writes,

This question really sets off my bullshit alarm. Inerts harmful to clothing?

QCan Permethrin SFR 36.8% be diluted with water to soak clothes in for tick control while hiking? Does this have any other active ingredients than permethrin? A Permethrin SFR 36.8% cannot be used on clothing of any type. We do carry Tick Block which was specifically manufactured for use on clothing for tick control. While Tick Block and Permethrin SFR 36.8% share the same active ingredient the base ingredients are very different and the products are not interchangeable. Permethrin SFR 36.8% does contain inert ingredients that are privy to the manufacturer. The inert ingredient part of a product is a trade secret and not disclosed to anybody.


Permethrin SFR is not labled for the treatment of clothing. For more information, you can contact the manufacturer at 281-892-2500.

Answer last updated on: 05/05/2015

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