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  Hyaluronic acid , also known as vitreous acid, is a naturally occurring acidic mucopolysaccharide found in high concentrations in the connective tissues of the body, including the skin. It is an important basic substance for skin hydration and is itself a component of the human body. It has a special water-holding effect and is up to 100 times its own weight, making it the best moisturizing substance found in nature today, and is known as the ideal natural moisturizing factor.   Hyaluronic Acid powder (HA) cas 9067-32-7   HA powder is a form of this molecule that has been dehydrated and turned into a fine powder, making it easier to incorporate into skincare products. In skincare products, the HA powder helps to hydrate and plump the skin by attracting and retaining water. It is also believed to help improve the skin's overall texture and reduce the appearance of fine lines and wrinkles.   One of the key benefits of HA powder is its ability to hydrate the skin at a deep level. As