Shop Origins Dr. Andrew Weil Mega-Bright Dark Spot Correcting Serum, 1.7 oz. online at Macys.com. Go to the light. This highly concentrated serum is fortified with Dr. Weils natural light-infusing complex including Rosa roxburghii, White Peony and Licorice. It helps visibly reduce dark spots and correct skin tone. Dull discolored skin begins to return to the light, appears more translucent and luminous. Its spot on for turning spots off.