Reduce the look of dark spots with this intensive serum that promotes surface cell turnover for more even, brighter skin. Patented resorcinol technology and tranexamic acid help minimize the appearance of hyperpigmentation and uneven skin tone. Glycolic acid, one of the first and most sought-after exfoliants in Dr. Murad’s dermatology practice, removes dulling surface cells to enhance natural radiance on all skin tones.