At the Consumer Electronics Show, L’Oréal unveiled My UV Patch, billed as the first-ever stretchable skin sensor designed to monitor UV exposure and help consumers educate themselves about sun protection. La Roche-Posay is introducing this patch, a transparent adhesive that, unlike the rigid wearables currently on the market, stretches and adheres directly to any area of skin that consumers want to monitor. Measuring approximately one square inch in area and 50 micrometers thick—half the t...