What it is: A fast-absorbing serum that provides the skin with all the revitalizing, brightening, and age-defying benefits of vitamin C.What it does: The 20% antioxidant serum, including an impressive 12% of vitamin C, is complemented by other effective ingredients that multiply the rejuvenating action of this star vitamin to enhance firmness and radiance.This serum includes turmeric, pine extracts, and lactic acid. The highly efficient blend of antioxidant ingredients helps minimize signs of aging, especially those caused by external aggressors such as solar radiation, environmental pollution, and harsh weather conditions. The incredibly light, waterless formula ensures exceptional stability and fast, deep absorption. C+C Vitamin 20% Antiox Solution has a wonderfully silky texture that reveals more hydrated skin and a remarkably supple complexion. How to use: Apply this serum morning and/or night after cleansing. Spread four to five drops onto the face, neck and décolletage. Massage gently into the skin until completely absorbed. Wait until the serum has completely absorbed before applying other products.Pro Tips: The high concentration of vitamin C in this serum can cause slight, momentary tingling or a warm sensation to those with sensitive skin. In these cases, it is recommended that you use the serum one or two days a week and gradually increasing the frequency as your skin adjusts to this active ingredient. Avoid using this serum alongside other products that include acids or ingredients with exfoliating or depigmenting action. Made in Spain