La Roche-Posay La Roche-Posay Vitamin C Serum 1 fl oz $44.99 Dermatological Anti-Aging 10% Pure Vitamin C Serum. Allergy Tested Formula ANTI-WRINKLE CONCENTRATE, RENOVATING ANTIOXIDANT: This anti-aging vitamin c face and neck serum leaves skin more radiant, softer, and hydrated. As a result, wrinkles look... Add to Cart Add to Wish list Compare