La Roche Posay Pure Vitamin C Face Serum with Hyaluronic Acid & Salicylic Acid, Anti Aging Face Serum for Sensitive Skin - 1oz Anti-aging vitamin c face and neck serum that leaves skin more radiant, softer, and hydrated. As a result, wrinkles look visibly reduced and skin texture and tone are more even and refined. This serum combines concentrated 10% pure vitamin c, salicylic acid and neurosensine for optimal effectiveness while also being suitable for sensitive skin.