Sawyer Picaridin Insect Repellent has a similar effect to DEET, yet it won’t harm gear and equipment. Picaridin repels mosquitoes and ticks like DEET but it also repels biting flies, stable flies, black flies, gnat, chiggers, and sand flies. At 20% active ingredient Picaridin; this long lasting topical insect repellent is effective up to 14 hours (lotion) and 12 hours (spray) against mosquitoes and ticks, and up to 8 hours against biting flies, gnats, chiggers, and sand flies.
Buy this size, and a full size bottle. Carry this smaller size on outdoor excursions and refill from the large bottle when you get back to camp!