Hyaluronic acid is beneficial to restore the function of the skin. It has a strong effect on skin maintenance and reduces skin aging. Appropriate supplementation of hyaluronic acid is beneficial to enhance skin elasticity, reduce or slow down the process of skin aging, and beauty The world also uses hyaluronic acid for filling to fill certain tissue defects or depressions, which is a good material. Hyaluronic acid is a component that normally exists in the human body. It is distributed in all parts and layers of the human body, especially the human skin. Hyaluronic acid plays a protective role on human skin, delays skin aging, and enhances skin elasticity. , So many cosmetics contain hyaluronic acid.