solotripper wrote on May 2^nd, 2018 at 1:00pm:

Something to consider if you're on the fence about treating your clothes with Permethrin? http://www.foxnews.com/health/2018/05/01/cdc-infections-from-ticks-mosquitoes-surge-in-us.html

Another viewpoint:
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I treated my tent and some clothing with Permethrin last year, seemed to work.  I bought a bottle off Amazon, mixed with some water in a labeled spray bottle, spray and let dry.  I do worry about overusing it though as even though it is natural, doesn't mean it is good for you.  Lyme disease is not good either, so I try to find a balance.

Another use, I spray the soffit of my house under the eaves at the gable peaks where wasps like to make nests and it keeps them away.