SC Johnson. A family company. Repels mosquitoes that may carry zika, dengue or west Nile virus. Provides hours of effective protection from mosquitoes, gnats, and biting flies (sand flies, stable flies, and black flies). Also repels ticks, chiggers and fleas from treated skin and clothing. Off Active Insect Repellent I is not greasy, won't stain and resists perspiration. A family company since 1886. - Fisk Johnson. No CFCs: Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols.