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 stubborn dark spots. Powered by MelasylTM, 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.* *Based on an 8 week study on 72 women of all skin phototypes​ Formulated from research on 23,000 people. Key Benefits: Visibly reduces a range of skin discolorations, including sunspots, age spots, post-acne marks (or post-inflammatory hyperpigmentation) Helps visibly correct even stubborn dark spots Respects skin's natural tone Powerful, visibly lasting results - continues to maintain improvement 2 weeks after use* Reveals brighter and more radiant skin Skin imperfections look reduced after 2 weeks** *After twice daily use for 8 weeks **Based on a consumer perception study of 73 women Key Ingredients: MelasylTM: New, exclusive multi-patented La Roche-Posay ingredient that visibly reduces persistent dark spots with long-lasting results. Targets discoloration while respecting the natural tone of all skin. Born from 18 years of research. Niacinamide: A form of vitamin B3, niacinamide is a water soluble vitamin. It is widely used in dermatology and is known for its ability to help visibly fade skin discoloration. MelasylTM and Niacinamide work together to help visibly correct even stubborn dark spots La Roche-Posay Thermal Spring Water: A soothing water sourced in the town of La Roche-Posay in France and a core ingredient in most of our products. It contains a unique combination of minerals, trace elements, and a high concentration of selenium, a natural antioxidant.