I was reading in Vogue that it isn’t necessary to go to a spa to get a spray on tan – in fact, many of the self tanning products have a much more natural, lighter tan, as opposed to that darker look you get at the spa.
http://www.vogue.co.uk/beauty/news/090722-clinique-self-sun-body-tinted-lotio.aspx

http://www.condenast.co.uk/imagelib/320×360/w_z/WashOffTanners_V_21jul09_pr_bt.jpg