La Roche-Posay Pure Vitamin C12 Serum is a potent antioxidant treatment designed to target signs of aging and brighten the complexion. Formulated with 12% pure vitamin C (ascorbic acid), it helps to reduce the appearance of fine lines, wrinkles, and dark spots while protecting skin from environmental stressors. The lightweight, fast-absorbing serum is suitable for daily use and is non-comedogenic. You should use it to boost skin radiance, improve skin texture, and strengthen your skin's natural defense against daily damage for a more youthful and even-toned look.