Ascorbic Acid (Vitamin C) is a highly popular antioxidant and is known as a required component in the production of collagen, which is what provides skin its suppleness and elasticity. Vitamin C has also been shown to help reduce the appearance of age spots while providing some protection from external environmental stressors. It is widely used in skin care applications. Ascorbic acid is the most well-researched vitamin for skincare use. It is a powerful antioxidant that helps to prevent damage by neutralising free radicals, which are unstable molecules that can cause DNA damage and lead to premature ageing. It also has a relevant role in collagen production, helping regulate and promote it, and stabilising this protein’s structure. Read about formulating with Vitamin C here. .