New and sealed Strengthens the skin’s protective moisture barrier for healthy, glowing skin. WHAT IT IS This serum strengthens the skin’s moisture barrier in one drop. A strong skin moisture barrier helps to lock in hydration and defend against external aggressors including pollution, cold, and dry weather. Formulated with 10% Bifidus Prebiotic, Hyaluronic Acid, and Vitamin Cg this anti-aging serum helps to improve the look of dull skin and the signs of aging for visibly glowing skin.