sodium hyaluronate powder has a role in skin beauty: sodium hyaluronate powder moisturizing effect. Moisturizing effect is the most important role of sodium hyaluronate in cosmetics. Compared with other moisturizing agents, sodium hyaluronate powder, has the highest hygroscopicity in a low-humidity environment and the lowest hygroscopicity in a high-humidity environment. This unique property It can adapt to the skin’s requirements for the moisturizing effect of cosmetics in different seasons and different environmental humidity.