A serum to fade dark spots and lines in just one month-the first clinically proven vitamin C serum to be accepted by the National Eczema Association. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Dark Spots, Loss of Firmness and Elasticity, and Fine Lines and Wrinkles Formulation: Serum Highlighted Ingredients: - Tetrahexyldecyl Ascorbate 15%: An ultra-potent and stable form of vitamin C that visibly brightens and firms. - Tetrapeptide Solution 2%: Biomimetic peptides that vis