https://www.cnet.com/news/beauty-tech-intersection-self-care-self-loathing-ces-2018/

Devices with a focus on beauty made a large, pedicured footprint at this year's CES tech show in Las Vegas. They typically combined a Wi-Fi connection, built-in cameras, machine learning and a dash of augmented reality to analyze various aspects of your appearance -- and make recommendations about what products you need to look better. 

TL;DR: Companies want to use technology to judge the hell out of you, make you feel bad and sell you beauty products.