OFF! Active Mosquito Repellent I provides hours of protection for your active lifestyle so you can keep living life your way. Mosquitoes are attracted to lactic acid a chemical found in sweat so be sure to use this sweat resistant bug repellent as you and your family become active outdoors. This mosquito spray protects against mosquitoes that may carry the Zika Dengue or West Nile virus biting flies gnats ticks chiggers and fleas. It works on skin and clothing. Keep out of reach of children and pets. See the label for precautions and usage directions. Product label may vary.