Free Radicals

How does self-tanner work
Tutorials

The Truth About Self-Tanner: How It Works, Why It Can Age Your Skin and What to Use Instead

It's not quite as safe as you think.

  • Jun 1, 2021
Niacinamide for skin
Tutorials

Niacinamide: What It Is, What It Can Do for Your Skin and the Best Products to Try Now

The one vitamin you need in your skincare routine.

  • Feb 16, 2021
Vitamin C serum darkens skin
Tutorials

The Reason Vitamin C Serum Can Darken Your Skin (And How to Stop It from Happening)

Serum staining your face and fingers? Here's what to know.

  • Sep 25, 2019
Tutorials

Why Squalane Is the Best Face Oil

This safe, stable oil belongs in your skincare routine.

  • Jan 25, 2019
Tutorials

8 of the Worst Skincare Mistakes (and How to Avoid Them)

Follow these tips for a healthy complexion.

  • Jan 25, 2019
Tutorials

Physical vs. Chemical Sunscreen: How to Tell the Difference and Which Type to Choose

Spoiler: Mineral protection is best.

  • Jan 25, 2019