What it is: Niacinamide, also known as vitamin B3, is a water-soluble vitamin that helps strengthen the skin barrier, ...

Vitamin C and retinol (a form of vitamin A) are two of the most common ingredients found in modern skincare products, largely due to their anti-aging effects. When applied to the face, either ...

With the addition of ceramides, caffeine, vitamin C, and hyaluronic acid, these retinol-powered formulas can help smooth fine ...

From Maelove Glow Maker to SkinCeuticals C E Ferulic, these dermatologist-approved and reviewer-beloved serums can really ...

For those of us who want the best, strongest and most effective ingredients, retinol is an absolute must. And while you can ...

Discover the benefits of vitamin E, as well as the signs of deficiency, best sources of vitamin E and which skin types will ...

A vitamin C serum is an essential product to have in your skincare arsenal, and we found one for 50% off on Amazon.

The benefits of retinol extend beyond mere wrinkle reduction. It also brightens the under-eye area, evens out skin tone, and ...

According to our experts, the vitamin C type will also determine its effectiveness. Pure vitamin C, known as L ascorbic acid, ...

From bakuchiol to azelaic acid, here’s how alternative ingredients to traditional retinoids stack up to the anti-ageing ...

Thousands of Amazon shoppers and a PEOPLE editor’s 56-year-old mom swear by the $35 Vichy Vitamin C Serum. This serum ...

Under-eye creams can help to reduce darkness, puffiness, fine lines, and wrinkles around the eyes and help to achieve ...