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.

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.

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 ...

The 'RHONY' star's favorite glow-boosting pick is 'hydrating, plumping, brightening' — and it's on super sale.

Learn more! 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 ...

Why We Love It: This vitamin C serum did more than brighten skin—it demonstrated what an easy, effective skin care routine can look like. In addition to being one of the more affordable options ...

Applied every morning after cleansing and before moisturising, each vitamin C serum was tested on its ease of use, scent, feel, price point and, ultimately, the result seen on the skin.

When it comes to achieving bright, glowing skin, a vitamin C serum is key. But not all vitamin C serums are created equal—and in fact, there’s a wide range of potencies available with ...