Vitamin C Serum Benefits: The Complete Guide to Brighter, Firmer, and Glowing Skin
Vitamin C serum appears on more dermatologist-recommended lists than almost any other single skincare ingredient. The reason is simple. Ascorbic acid, which is the active form of vitamin C, works on multiple layers of skin concern simultaneously. It fights the environmental damage that dulls skin. And slows the production of melanin, which is the pigment…

