Beauty vitamins promise shinier hair, stronger nails, and suppler skin, but do they work?

Cosmetic supplements have a lot of claims, but not enough science.

By Julissa Treviño
July 2, 2018

Latest

Trump is taking away California’s right to set its own air pollution targets
Four computer monitors to seriously upgrade your home office
Century-old ship logs show how much ice the Arctic has lost
Explore the gauges, levers, and history of a 747's iconic cockpit
Trying to eat eco-friendly? These charts show how different diets could change the planet.
The key to curing the common cold could lurk within our own cells
So you want to try intermittent fasting. Here's how to do it.
Help people fix tech problems no matter where you are
Handy devices to cook your eggs quickly