Kiehl’s Clearly Corrective Dark Spot Solution 115ml is a powerful brightening serum designed to visibly reduce dark spots, hyperpigmentation, and uneven skin tone. Formulated with Activated C (stabilised Vitamin C), this lightweight serum helps improve skin clarity and radiance while refining texture. With continued use, skin appears brighter, smoother, and more even-toned with a healthy, luminous glow.