The MISSHA Vitamin B12 Double Hydrop Ampouler has been specially formulated to help improve hydration and skin clarity.The serum is powered by a Vitasome Delivery Mechanism to effectively transport Vitamin B12 into skin. This nourishing ingredient has a moisturizing effect to help skin feel healthy and hydrated. The multi-vitamin hydration solution leaves rough, dry skin feeling nourished and moisturized with improved clarity.Dermatologically tested.