La Roche-Posay Mela B3 Micro Peeling Purifying Gel is an exfoliating foaming cleanser to reduce the appearance of dark spots and unify the skin tone. Formulated with PHA and multi-patented Melasyl, which has a new and unique mechanism of action, it intercepts excess melanin before it marks the skin. Melasyl has proven superior anti-pigmentation efficacy versus five referent actives. It also contains Vitamin B3 (Niacinamide), known for its ability to soothe the skin, strengthen the skin barrier and correct dark spots. It reduces post-inflammatory hyperpigmentation and even stubborn dark spots to reveal a brighter, more even complexion. Micro-inflammation is the common trigger for every pigmentary disorder and leads to an over-production of melanin. Niacinamide is a powerhouse ingredient that helps fade hyperpigmentation and repair the skin barrier. Melasyl and Niacinamide work together to help visibly correct even stubborn dark spots. PHA (Polyhydroxy acid) exfoliates dead skin cells on the surface, evening skin tone and texture. It is formulated with micro-exfoliating and purifying agents that visibly reduce persistent dark spots with long-lasting results, targeting discoloration while respecting the natural tone of all skin. Born from 18 years of research, this dermatologically tested formula is non-comedogenic, free from oil, soap and sulphates, and suitable for all skin types.