How is hyaluronic acid used in cosmetics?(PART ONE)
How is hyaluronic acid used in cosmetics?
Hyaluronic acid (hyaluronic acid, HA) is one of the components of human skin, is one of the most widespread in the human body acid mucopolysaccharides, founded in connective tissue stroma, have good moisturizing effect, has been widely used in cosmetics, known as the ideal natural moisturizing factor, natural moisturizing factor, NMF)
1.Moisturizing is the most important function of HA in cosmetics. Compared with other moisturizers, HA is characterized by the relative humidity of the surrounding environment. Cosmetics commonly used moisturizers include glycerol, propylene glycol, sorbitol, polyethylene glycol, etc. The experiment shows that compared with these moisturizers, HA has the highest moisture absorption rate (33 %) compared with those of these moisturizers, and the moisture absorption is the lowest when relative humidity is high (75%).
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