La Roche-Posay Pure Vitamin C12, 30 ml, Skin Serums for Women, The La Roche-Posay Pure Vitamin C12 face serum is a product full of active ingredients, meaning it provides absolutely luxurious care for your skin. Characteristics: helps to smooth out wrinkles and fine lines evens skin tone suitable for sensitive skin brightens prepares skin perfectly for foundation How to use: Dab an appropriate amount of the serum gently into clean skin with your fingertips. Apply to the face, neck and chest. Avoid direct contact with the eyes.