This anti-aging serum visibly reduces a range of skin discoloration, including sunspots, age spots, post-acne marks (or post-inflammatory hyperpigmentation), and even the most persistent dark spots. Powered by Melasyl™, the newest, exclusive La Roche-Posay ingredient, in combination with 10% Niacinamide. A first-of-its-kind discoloration treatment to visibly correct persistent dark spots with long-lasting results, while respecting the natural tone of all skin. Proven on all skin tones.* Key Components Niacinamide Melasyl Thermal Spring Water Indication Dark spots Discolorations Uneven skin tone How to use Apply 3-4 drops on face and neck in the morning and evening.