L’Oréal Unveils Super-Thin Smart Skin Patch

“Beauty giant L’Oréal has unveiled a smart skin patch that can track the skin’s exposure to harmful UV rays at the technology show CES in Las Vegas. The product will be launched in 16 countries this summer, and will be available for free. It contains a photosensitive blue dye, which changes colour when exposed to ultraviolet light.” Read more at BBC.com.