Retinol, niacinamide, vitamin C and hyaluronic acid: In recent years, these commonly-found ingredients have been name-dropped over and over again in the skincare community. Hyaluronic acid, in ...

Dermatologists explain why—plus how to use them.

Years ago, a friend casually told me her secret to glowing skin wasn’t retinol or vitamin C. It was a cholesterol cream. I laughed. At the time, cholesterol conjured images of clogged arteries, not ...

Acid rain is a very broad term. It encompasses not only rain but also other forms of precipitation including fog, hail, sleet, snow, dust, and gas. It can even cause haze or smog, contributing to the ...

No ingredient has a hold on the skincare market quite like hyaluronic acid. These days, you’d be hard-pressed to find a product that doesn’t have it in its formulation. But what is hyaluronic acid ...

“Hypochlorous acid is a naturally occurring ingredient in the body with antimicrobial and anti-inflammatory properties,” explains dermatologist Teresa Song, MD. “It is made by our immune ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? If you live on TikTok these days, odds are you've heard about kojic acid. What ...

One of the most apparent effects of air pollution is acid rain that occurs when rain, snow, mists, or dust become abnormally ...

Citric acid is a naturally occurring compound found in many fruits and vegetables. It’s available in powdered form, and if you’re a fan of all foods puckery and sour, you absolutely should be cooking ...

Skincare-obsessed TikTok users — a lively community on the popular social media site, often referred to collectively as SkinTok — are always on the hunt for the latest and greatest acne treatment, and ...

We spoke to the lead esthetician at the Spa at Hotel Chelsea all about this gentle exfoliator that's perfect for acne-prone and sensitive skin. According to Murray, mandelic acid is an exfoliating ...