How L’Oréal Built a UV-Measuring Temporary Tattoo

“When L’Oréal pitches you on its new wearable, you envision a Wi-Fi-connected makeup compact or some sort of skin-toning helmet. Or maybe a lipstick tube that’s also a USB stick. What you don’t envision is a sticker—a temporary tattoo with teeny, tiny circuits inside. The beauty company has its own tech incubator, run by L’Oréal tech guru Guive Balooch. His team partnered with sensor-maker MC10 and design firm PCH to create a wearable called the My UV Patch.” Read more at Wired.