Can sunscreens legally claim to be waterproof?

The FDA prevents sunscreen companies from labeling products as waterproof, since sunscreens are only water-resistant. Dermatologist Debra Wattenberg, MD, explains this mandate, and how to apply sunscreen properly for the best results.

Top dermatologists share their wisdom on ingredients and SPF levels—plus how much to use, how often to reapply, and more.

How does sunscreen protect your skin? Learn the facts about SPF, UVA, and UVB rays, broad-spectrum sunscreens, and more.

Strategies to promote communication among the different healthcare providers you need to work with when managing GSD1a.

Checking these routine tests will help you manage your condition.

Like other articles of clothing, masks can irritate the skin. Try these tips to keep your skin feeling good.