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

Whether you're battling redness-prone skin, sun spots or discoloration, there's likely one simple ingredient missing from ...

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 ...

It's Eva Naturals Vitamin C Serum — and it's down to $10 from $15 right now. Glowier, smoother skin, here you come! This anti-aging hero is loaded with antioxidants and hyaluronic acid ...

Chilly midwest air (plus our mom’s penchant for revving the thermostat) certainly did my sister’s skin no favors; yet it was her high-potency vitamin C serum that worsened her symptoms most ...

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).

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.

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 ...