The bestselling Dive-In Low Molecular Hyaluronic Acid Serum in an eco-friendly refill set — 1 bottle + 1 refill pouch for sustainable repurchasing at better value. 5D Hyaluronic Acid Complex (5 molecular weights) delivers hydration at multiple skin layers for deep, lasting moisture and visible plumping. Fortified with Ceramide NP, D-Panthenol, Madecassoside, Allantoin, and Beta-Glucan to soothe sensitivity and strengthen the skin barrier. Alcohol-free · Fragrance-free 50ml bottle + 50ml refill pouch