Home » BBC News - Technology » technology news » L'Oreal reveals smart skin patch L'Oreal reveals smart skin patch Unknown 4:25 PM BBC News - Technology technology news Beauty giant L'Oreal has unveiled a smart skin patch that can track the skin's exposure to harmful UV rays. from BBC News - Technology http://ift.tt/22JCOqe Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati