Kiehl S Clearly Corrective Dark Spot Solution 4MlA dark spot corrector and brightening serum that helps visibly reduce the look of dark spots, hyperpigmentation, and post acne marks. Our #1 facial serum helps to visibly boost radiance and improve skin clarity, while reducing the number and color of dark spots and providing a visibly more even skin tone. Formulated with Activated C and Proxylane, this targeted dark spot corrector helps to visibly brighten skin and diminish visible dark spots and