La Roche-Posay Vitamin C Serum is Pure Vitamin C 12% anti-aging 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.