Isntree Ultra-Low Molecular Hyaluronic Acid Serum is a lightweight, vegan Hyaluronic Acid serum infused with deep seawater from Ulleung Island, Korea, that deeply hydrates and soothes skin. It is formulated with 14 kinds of Hyaluronic Acid to retain moisture in skin for a long time. This serum contains Glyceryl Glucoside to activate water channels delivers rich moisture to the skin and Beta-Glucan to strengthen the moisture barrier.