Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Whether it's in a serum, peel, or moisturizer, every skin care regimen should have glycolic acid—or at least another exfoliating acid like lactic or salicylic acid. These ingredients keep you looking ...

Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture.

If you aren’t yet familiar with glycolic acid, it’s considered the gold standard of chemical exfoliants. Thanks to its ability to tackle everything from signs of aging to dullness and excess sebum ...