L'Oreal's wearable sensor tracks UV, pollen and pollution
 

L'Oreal isn't a brand you'd usually associate with medical technology, but over the past few years it's been making major inroads in skin protection innovation. There was My UV Patch, designed to inform wearers how their skin was being affected by th...
https://www.engadget.com/2018/11/14/...and-pollution/