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Hyaluronic acid

Hyaluronic acid is a glycosaminoglycan composed of repeating disaccharide units of D-glucuronic acid and N-acetylglucosamine. It is widely present in the extracellular matrix of human and animal cells, the vitreous humor of the eye, umbilical cords, skin, joint synovial fluid, and the combs of roosters, among many soft connective tissues. The common hyaluronic acid available on the market exists in the form of sodium salt, so hyaluronic acid is also called sodium hyaluronate, with the English name Sodium Hyaluronate, also known as Hyaluronic Acid, and abbreviated as HA. 

Hyaluronic acid is a popular advanced biological product both at home and abroad. Its molecular weight ranges from several thousand to several million. The aqueous solution of hyaluronic acid has extremely high moisturizing, viscoelastic, and lubricating properties, and can be widely used in cosmetics, health foods, and pharmaceutical industries. Hyaluronic acid is an acidic glycosaminoglycan. In 1934, Professor Meyer from the Department of Ophthalmology of Columbia University in the United States first isolated this substance from the vitreous of the cow's eye. Hyaluronic acid exhibits a variety of important physiological functions in the body due to its unique molecular structure and physical and chemical properties. For example, it lubricates joints, regulates the permeability of blood vessel walls, regulates proteins, water and electrolyte diffusion and transportation, and promotes wound healing. What is particularly important is that hyaluronic acid has a special water retention effect and is currently the most moisturizing substance discovered in nature, known as the ideal natural moisturizing factor. 

For example: A 2% pure hyaluronic acid aqueous solution can firmly retain 98% of the moisture. Hyaluronic acid is a multifunctional matrix. Hyaluronic acid (also known as hyaluronic acid) HA is widely distributed in various parts of the human body. The skin also contains a large amount of hyaluronic acid. The process of human skin maturation and aging also changes along with the content of hyaluronic acid and metabolism. It can improve skin nutrition metabolism, make the skin tender, smooth, wrinkle-free, increase elasticity, prevent aging, and at the same time be a good transdermal absorption promoter. When used in combination with other nutrients, it can achieve a more ideal effect of promoting nutrient absorption.