Sawyer® Permethrin Clothing repellent offers superior protection from disease-carrying biting insects. The active ingredient, Permethrin, is a synthetic molecule similar to those found in natural pyrethrum, which is taken from the Chrysanthemum flower. Not only does this product repel insects, but will actually kill ticks, mosquitoes, chiggers, mites and more than 55 other kinds of insects. Sawyer® Permethrin insect repellents are for use with clothing, tents, and other gear. A single application lasts six washings. Permethrin is odorless when