Kiehl's Dermatologist Solutions Clearly Corrective Dark Spot Solution. Clinically-Demonstrated to Help Correct Dark Spots and Discolorations. This highly efficacious dark spot corrector is formulated to have a visible impact on a broad spectrum of dark spots, including those caused by age and UV exposure. This clear and corrective formula visibly diminishes the number and intensity of dark spots and discolorations and includes an ingredient that helps deter spots on skin's surface.  With a potent, latest-generation clarifying complex of Activated C, White Birch and Peony Extracts, the formula penetrates skin's surface to help correct the appearance of dark spots and unify skin tone. 2023.