Vitamin C Derivative 10% Centella Asiatica Extract 68% What It Is It is an brightening serum that contains Centella Asiatica extract and Vitamin C as main ingredients. The disadvantages of existing pure vitamin C products in the market, such as stickiness, greasiness, and dryness, were improved. Also, the irritation level of the product was reduced as well by using highly stable vitamin C derivatives. Organic Centella asiatica extract with a high active ingredient content is used and blended together to further enhance skin soothing and moisturization.