Personalized hair masks, facial serums, and vitamin cocktails are no longer reserved for the wealthy, thanks to technology—and data collection.t labels arranged on a pink surface
Although there are billions of people in the world, it’s always tempting to believe your existence is unprecedented in some way. For me it’s my hair, which I’ve long suspected poses an uncanny challenge to the world of follicular maintenance. It’s curly yet fine, frizzy yet flat, oily at the roots yet dry as kindling at the ends. Everything I do to it only makes it worse, including bleaching the ends, wearing it in a topknot most of the time, and flat-ironing it half to death.