Q&A: Spray-On Tanning, Considered Exactly how do such tanning products work, and do they work safely? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Fierce and Unpredictable: How Wildfires Became InfernosFeature: The Scientist Who Scrambled Darwin’s Tree of LifeRussia’s LASER CANNON: US ‘concerned’ over Kremlin’s plans to ‘WIPE OUT SATELLITES’Yellowstone volcano gas WARNING: USGS warns of poisonous gas emissions in National ParkSCIENCE BREAKTHROUGH: Ageing process REVERSED in human cells for first timeSaturn in pictures: NASA shares stunning up close photos of Saturn’s incredible rings