La Roche-Posay Pure Niacinamide B9 Serum is a concentrated serum designed to brighten and repair the skin. Formulated with key active ingredients like Niacinamide (Vitamin B3) and B9, this serum works to improve skin texture, reduce the appearance of dark spots, and enhance overall skin radiance. Niacinamide is known for its ability to strengthen the skin barrier, regulate oil production, and minimize pore size. Vitamin B9, also known as folic acid, aids in cell repair and regeneration, promoting a more youthful complexion. This lightweight serum absorbs quickly into the skin, leaving it feeling smooth and hydrated. Suitable for all skin types, this serum is a must-have in any skincare routine.