Permethrin is an insecticide that's applied to clothing, tents, packs, etc. It's effective for a month or so depending on exposure to UV and number of washes. P

Permethrin is an insecticide that's applied to clothing, tents, packs, etc. It's effective for a month or so depending on exposure to UV and number of washes. Picaridin is a repellent that's a applied in lotion or spray form. Use both for best protection.