As you and your family become active outdoors, be sure to protect against mosquitoes with OFF! Active Insect Repellent I, a sweat resistant bug spray. Mosquitoes are attracted to lactic acid in perspiration, so our outdoor mosquito repellent is designed to work on your skin even when you sweat. It repels mosquitoes that may carry the Zika, Dengue, or West Nile virus, biting flies, gnats, ticks, chiggers, and fleas. OFF! Our Active 15% DEET mosquito repellent is perfect for running, hiking, playing outdoors. Keep out of reach of children and pets. See label for other precautions and usage directions.