Thousands of Amazon shoppers and a PEOPLE editor’s 56-year-old mom swear by the $35 Vichy Vitamin C Serum. This serum ...

For a vitamin C serum to be effective, dermatologists say there are a few key things to consider: Want more from NBC Select? Sign up for our newsletter, The Selection, and shop smarter.

Whether you're battling redness-prone skin, sun spots or discoloration, there's likely one simple ingredient missing from your skincare lineup: a vitamin C serum. The potent ingredient works like ...

Despite its efficacy, vitamin C is notoriously unstable and can quickly go from a hyperpigmentation-zapping wonder ingredient to a $60 bottle of smelly serum. That’s why it’s important to find ...

For a vitamin C serum to be effective, dermatologists say there are a few key things to consider: Want more from NBC Select?

Contains 30% THD ascorbate, Revision’s C+ Correcting Serum is the most potent and effective vitamin C on the market. Teamed with a whole host of other vitamins (for synergistic purposes), this ...

One such product: Bliss Bright Idea Vitamin C + Tri-Peptide Facial Serum, an anti-aging, dark spot-reducing wonder. Right now, you can nab it at Amazon for just $18, down from $30 (nearly 40% off).

This serum was made specifically for mature skin. That means it zeroes in on issues ladies of a certain age are familiar with: dark spots, dry skin and wrinkles. Vitamin C serums are typically ...