L-ascorbic acid is the active ingredient here, and it’s especially good at absorbing into skin. Other options—like the 3-O-ethyl ascorbic acid in the Olay Vitamin C + Peptide 24 Brightening ...

National Vitamin C Day has arrived! Here are seven of the best Vitamin C beauty products to shop to achieve radiant skin.

and this Vitamin C serum is no exception: the vit-C is combined with essential fatty acids for a formula that’s ideal for dry skin types. Olay Luminous Niacinamide + Vitamin C Super Serum $35.99 ...

Our editors tested drugstore moisturizers to find the best ones that are affordable but feel much more expensive.