So, what gives? Does it depend on the percentage of vitamin C included in the serum? And — why apples? According to Ron Robinson, cosmetic chemist and founder of BeautyStat, apples are particularly ...

Vitamin C is one of the most versatile and transformative products you can have in your beauty arsenal. This powerful antioxidant can decrease the appearance of dark spots, brighten and even skin tone ...

Finding the best vitamin c serum isn't always easy, so we hit up the UK's top Dermatologists and beauty experts, to find out exactly what works.

C serums, tested by a beauty editor - Brighten your skin and soothe redness with elixirs from Olay, Kiehl’s and Boots ...

We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...

Vitamin C is wonderful, says Angela Lamb, MD, a dermatologist and associate professor at the Icahn School of Medicine at Mount Sinai in New York City. Its good for targeting brown spots because it has ...

"It has hyaluronic acid, so it hydrates the skin and just leaves my skin feeling supple and soft. I've been using it for ...

Vitamin C has been crowned the ultimate immune-boosting, anti-aging wonder vitamin, leading millions of people to megadose on supplements while slathering high-concentration serums on their faces ...