Is airbrush spray tanning safe?

Yes! DHA has been approved for cosmetic use by the US Food and Drug Administration (FDA), the Canadian Health Ministry and most of the EU member nations. It is considered nontoxic and non-carcinogenic. DHA based Sunless tanning has been recommended by the Skin Cancer Organization, American Academy of Dermatology, Canadian Dermatology Association, The American Cancer Society and the American Medical Association. Check out this article on sunless tanning options at the Kent Hospital (Warwick, RI) website saying:

"A potentially safer... method of receiving an even coating of DHA is to have an airbrush tan. During an airbrush tan, a salon technician covers your eyes, lips, and other mucous membranes, and sprays a coat of DHA onto your skin using a spray compressor. A natural-looking tan will appear within a few hours..."