When it comes to skincare products that work, antioxidant serums containing vitamin C reign supreme. But it’s crucial to know how and when to use vitamin C serum to reap the many benefits of vitamin C ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Hannah Frye Hannah Frye is a writer covering beauty and style. The 2010s were ...

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 ...

Perhaps best known as a immune-system boost or antidote to scurvy, vitamin C has been found to rejuvenate aging skin by reactivating genes responsible for cell growth. By promoting DNA demethylation, ...