Hyaluronic acid is an acid mucopolysaccharide. Its unique molecular structure and physical properties show various physiological functions in the body, such as lubricating joints, regulating the permeability of blood vessel walls, regulating proteins, and diffusing water and electrolytes. And operation to promote wound healing. It is especially important that HA has a special water retention effect and is one of the best moisturizing substances found in nature. It is called the ideal natural moisturizing factor (NMF), such as 2% pure hyaluronic acid. The aqueous solution is able to hold 98% moisture firmly.
HA is a multifunctional matrix that changes with the content and metabolism of HA during ripening and aging of human skin. HA is widely distributed in various parts of the human body. The skin also contains a large amount of HA, which can improve the skin's nutrient metabolism, make the skin soft, smooth, wrinkle, increase elasticity, prevent aging, and at the same time be a good transdermal enhancer in moisturizing, reducing the HA content in the skin. And damage can cause the skin to lose water, wrinkle and lose its elasticity, causing the skin to age, so HA has become an anti-aging factor.
HA is one of the main matrix components of the epidermis and dermis of the skin. It can make water enter the intercellular substance and combine with proteins to form a protein gel, which binds the cells together and exerts normal cellular metabolism to maintain cell moisture. Protect cells from pathogens, speed up the recovery of skin tissue, improve wound healing and regeneration, reduce scars, and enhance immunity.
With the increase of age and the influence of nutrition, ultraviolet light and environmental factors, the ability of human body to synthesize HA will gradually decrease. When the HA content is lower than a certain level, the water content of the skin epidermis will gradually decrease, causing aging to the dermis layer. When the skin moisture is less than 15%, the skin will dry and crack when the time is long. When the water is kept at 25%~30%, the skin is clear, moist and elastic, and it can prevent wrinkles, wrinkles, delay aging, and beauty.
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