Repels biting insects for hours. Contains Deet. Repels mosquitoes that may transmit the zika, west nile, dengue & chikungunya viruses. Contains No CFCs or other ozone. Federal regulations prohibit CFC propellants in aerosales. www.cutterinsectrepelent.com. Questions or Comments? Call us at 1-800-767-9927 or visit our website at www.cutterinsectrepelent.com.