Long lasting protection from ticks (including ticks that may cause lyme disease), mosquitoes, and biting flies, stable flies, black flies and sand flies. Repels mosquitoes that may carry Dengue, West Nile, or Zika Virus. Also repels chiggers, fleas, gnats, no-see-ums from treated skin and clothing. Off! Deep Woods Insect Repellent V gives effective protection and is not greasy won't stain and resists perspiration. A family company since 1886. - Fise Johnson. No CFCs: Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols. Questions? Comments? Call 800-558-5252 or write Helen Johnson. Steel.