Sawyer Fisherman's Formula Picaridin 4 oz 12 pack Bundle Has a similar effect to DEET, yet is safer on gear and equipment At 20, this long lasting topical insect repellent is effective up to 8 hours against mosquitoes, ticks, biting flies, gnats, chiggers and fleas Our 20 Picaridin is virtually odorless; it has a mild citrus scent added to it which quickly evaporates when dry Will not harm gear or equipment