La Roche Posay Hyalu B5 Serum is the 1st dermatological correction to repair, Immediately re-plump and significative reduce wrinkles. This anti-aging ultra hydrating pure hyaluronic acid face and neck serum leave skin feeling plump to the touch and helps repair skin by replenishing the natural moisture barrier. This serum combines concentrated pure hyaluronic acid, madecassoside and vitamin B5 for optimal effectiveness while also being suitable for sensitive skin.