Boost your winter wellness with vitamin C, an essential nutrient for immunity and radiant skin. Discover natural food sources ...

All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. “I usually ...

Niacinamide and vitamin C are more popular than ever. You can combine these vitamins for healthier and brighter skin—here's how. For years, dermatologists have touted the benefits of antioxidants, ...

You can feed your skin its daily dose of vitamin C in many different forms, from serums to creams. Recently, though, you may have seen a different kind pop up on the shelves: powders. So why would you ...

You may already be aware of the beauty benefits of vitamin C — such as reduced hyperpigmentation, protection from UV damage caused by free radicals, and smoothing of fine lines. But when it comes to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to skincare products that work, antioxidant serums containing vitamin C reign supreme. But ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Acne is a common skin condition that affects about 50 million ...

You can find vitamin C in various skin care products, but experts recommend working serums into your routine. “ Serums are lightweight and easier to layer with moisturizers, sunscreens and cosmetic ...

Throughout evolution, pathogenic microorganisms, such as bacteria, viruses, and fungi, have developed sophisticated defense ...

Though vitamins won't expire and become unsafe, they will lose potency, which means they're not doing you any good.