Our bestselling Niacinamide gel-cream, now with potent Vitamin C! Intensive brightening treatment helps improve the look of discoloration, dark spots and post-acne marks. Powered by a 15% Brightening Complex of Niacinamide, Tranexamic Acid, Kojic Acid, Alpha Arbutin and Pentapeptide, the clinically advanced formula is boosted by THD Ascorbate Vitamin C.