A fast-acting formula with 15 percent vitamin C that's clinically shown to brighten skin in as few as 15 minutes and visibly improve firmness, discoloration, and dullness. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Dark Spots, Fine Lines and Wrinkles, and Loss of Firmness and Elasticity Formulation: Liquid Highlighted Ingredients:- 15% Vitamin C: Visibly evens tone and firms and defends against aging free-radical damage.- Ferulic Acid: Fights the look of discoloration and s