La Roche Posay Mela B3 Serum is a treatment for persistent dark spots. Powered by Melasyl, it works in combination with 10% Niacinamide to offer a first-of-its-kind treatment for skin discoloration. This serum targets various forms of skin discoloration, providing a more even and radiant complexion. It is clinically tested on all skin tones and has proven results on a diverse range of individuals. The formula is gentle and effective, making it suitable for all skin types.