This Sawyer Products Permethrin Insect Repellent comes in a convenient aerosol and it can be used on clothing tents and other outdoor equipment. This product not only repels insects it actually kills ticks mosquitoes chiggers mites and more than 55 other types of insects on contact. The active ingredient Permethrin is a synthetic molecule similar to pyrethrum which comes from the Chrysanthemum flower. When applied to clothing the premium Sawyer Permethrin clothing insect repellent binds to the fabric eliminating the risk of over-exposure to the skin. This spray is odorless when dry and it will not stain or damage clothing fabrics plastics finished surfaces or your outdoor gear. The special formula is also effective against ticks that carry Lyme Disease and Rocky Mountain Spotted Fever. A single application lasts through six items of washing or 42 days of UV exposure so you can keep your tent and clothing protected.