There’s no denying that retinol is a powerhouse skincare ingredient. The vitamin A derivative treats a bevy of concerns from fine lines and wrinkles to stubborn acne. But those with reactive ...

This “vitamin D winter” creates seasonal deficiency risk regardless of outdoor time during these months. Skin pigmentation also influences vitamin D synthesis, as melanin reduces UVB absorption.

you may have a higher risk of vitamin D deficiency. Have dark skin. People with darker skin pigmentation produce less vitamin D naturally in response to sunlight. If you’re Black or Hispanic ...

Moving down the alphabet, treatments for brighter, smoother, and softer skin also require hydration (hyaluronic acid) or even niacinamide. We could stop there, but then we’d overlook an ...

A shopping editor with sensitive skin relies on the Dermelect Flawless Bakuchiol Treatment for smoothing fine lines, plumping ...

Dr. Michael Holick, a specialist in vitamin D research at Boston University's Vitamin D, Skin, and Bone Research Laboratory, told Newsweek in an email: "This observation is very consistent with ...

Keep reading for our unfiltered thoughts. Courtesy of Barriere “I recently got bloodwork done and found out I was vitamin D deficient. It was a long winter! I am abysmal at taking pills (I ...

After around age 20, human skin slowly has a harder time looking after itself. But there’s help out there—too much of it in ...

Our bodies are actually designed to make vitamin D when UVB rays from the sun hit our skin. But here's the problem: we don’t get outside nearly enough. Between 9-to-5 desk jobs and binge ...

Vitamin D, collagen, and vitamin C, among other nutrients, support healthy and hydrated skin. Some products commonly used topically, such as aloe and hyaluronic acid, may also have hydration ...

Retinol isn't just another trendy skincare ingredient—it's backed by decades of research and considered the gold standard in ...