What’s your skincare IQ?

From LED light therapy to snail mucin, skincare trends are more than just beauty fads—they have fascinating scientific principles behind them. Test your knowledge of how these trends really work.

ByStarlight Williams

January 3, 2025

Sale Extended - Save up to $20!

PLUS, for a limited time, get bonus gifts and issues with all Nat Geo subscriptions.

SEE SUBSCRIPTION OPTIONS

Related Topics

You May Also Like

The real science of exosomes—the latest obsession in skincare

Giving up sugar can change your body for the better—within days

LED light therapy for skin is trendy—but does it work?

If you’re going to drink, what’s the ‘healthiest’ way to do it?

Which castor oil benefits are backed by science?

Copyright © 1996-2015 National Geographic SocietyCopyright © 2015-2026 National Geographic Partners, LLC. All rights reserved