L'Oréal's new wearable uses your skin's pH level to recommend better skincare

L'Oréal's wearables have thus far concentrated on helping you track your exposure to dangerous UV rays, and at CES 2019 it's taking this a step further. The My Skin Track pH uses microfluidic technology to measure your skin's pH levels via sweat. Then it uses that information to recommend you a product from La Roche-Posay,…