Medically reviewed by Susan Bard, MD Use vitamin C in the morning and retinol at night to avoid skin irritation.Vitamin C protects against photodamage and should be applied before applying ...

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, ...

Vitamin C is used to brighten the complexion by reducing the production of melanin in the skin. The benefits of using vitamin c serum on our skin are endless, including the fact that it helps produce ...

In fact, multiple one study have found that niacinamide has a calming effect on the skin, reducing inflammation, which is a ...

Most healthy adults will need to take in anywhere from 75 to 90 milligrams of vitamin C a day, according to the National ...

"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 ...

Here’s what dermatologists say about this trendy ingredient. By Melinda Wenner Moyer If you’ve spent time exploring the skin care side of TikTok, you know that dermatologists love to tout the benefits ...

Are you getting enough vitamin C in your daily diet? Vitamin C, also sometimes referred to as L-ascorbic acid, is a vitamin found in foods such as red peppers, oranges, grapefruits, kiwis, broccoli, ...

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 ...