Repels mosquitoes up to 10 hours. Sweat-resistant. Repels mosquitoes that may transmit the Zika, West Nile, Dengue & Chikungunya Viruses. Repels mosquitoes, ticks, biting flies, gnats, no-see-ums, chiggers & fleas. Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols. Questions or comments? Call 1-800-767-9927 or visit our website at www.cutterinsectrepellent.com.