Debunking Myths About Vitamin C in Skincare
SkinCeuticals marked the 7th Annual Vitamin C Day by debunking top misconceptions about Vitamin C in skincare. Myth: A higher percentage of vitamin C means a more effective product. Fact: The ideal concentration of pure vitamin C (L-ascorbic acid) in an antioxidant serum falls between 10% and 20%, at a pH level between 2.0 and 3.5. […]