Sawyer "Fisherman's Formula" Premium Picaridin Insect Repellent has a similar effect to DEET, butit won't harm gear and equipment. Picaridin repels mosquitoes (including the species that transmits the Zika Virus) and ticks as well asbiting 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 12hours (spray) against mosquitoes and ticks, and up to 8 hours against biting flies, gnats, chiggers, and sand flies.Specifications and Features: Active Ingredient: 20% Picaridin Delivery Method: Aerosol Quantity: 6 Ounce