Low-Molecular-Weight Hyaluronic Acid Powder (10K40kDa), 100g Its very easy to make a Hyaluronic Acid serum. Just add 3g of Hyaluronic Acid Powder to 100ml of water and wait for the solution to turn into a clear serum. 3g of powder can make 100ml (3.5oz) of serum, which saves a lot of money. Low-molecular-weight hyaluronic acid has good absorption and provides benefits within the epidermis, offering a deep moisturizing effect. It is easily absorbed into the epidermis, improves skin texture, and helps keep your skin youthful by directly increasing skin HA levels and enhancing elasticity. Low-molecular-weight hyaluronic acid dissolves into a light, low-viscosity solutionsimilar to waterand does not form a gel. If you prefer a gel-like solution, you can choose high-molecular-weight hyaluronic acid powder.