All Natural and Deet Free Non-toxic to humans, animals and the environment. That means no headaches from chemical sprays. Contains Oil of Lemon Eucalyptus - the only plant based ingredient recommended by the Centers for Disease Control and Prevention (CDC). Scientifically-tested formula made of essential oils and other natural compounds; No harsh chemicals, aerosol, parabens, phthalates, or formaldehyde; All mosquito-fightin good stuff!