Dry touch technology. Long lasting protection from mosquitoes, ticks, biting flies, gnats & chiggers. Repels mosquitoes that may carry zika, dengue or West Nile virus. A family company since 1886. - Fisk Johnson. Repels mosquitoes, ticks, biting flies, gnats and chiggers. Contains cornstarch. No CFCs: Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols.