Most cosmetic manufacturers use moisturizing ingredients: hyaluronic acid, glycerin, squalane, and more. One of the most widely used is the famous hyaluronic acid, hyaluronic acid.
Hyaluronic acid is used in cosmetics, there are generally two forms - hyaluronic acid is the raw material, sodium hyaluronate is more to be added to skin care products.
1 , Hyaluronic Acid (HA, Hyaluronate, Hyaluronan, Biohyaluronic acid)
Chinese name: hyaluronic acid , uronic acid , hyaluronic acid
Cas No : 9004-61-9
Hyaluronic acid is one of the intrinsic components of the human body, and its most important function is to retain water. As age increases, the amount of hyaluronic acid decreases. If the relative content of hyaluronic acid in a 20 -year-old person is set to 100 , then at the age of 30 , 50 , and 60 , the figure drops to 65 , 45 , and 25 respectively. . The skin also becomes rough with wrinkles.
It is widely used in all kinds of ophthalmic surgery, such as lens implantation, corneal transplantation and anti glaucoma surgery. It can also be used to treat arthritis and accelerate wound healing. When used in cosmetics, it can play a unique role in protecting the skin, keeping the skin moist, smooth, delicate, tender and elastic. It has the functions of anti wrinkle, anti wrinkle, beauty care and recovery of skin physiological function.
However, the injection of hyaluronic acid wrinkle is a result of a physical effect. When applied topically, macromolecules are almost impossible to transdermally absorb and cannot be used for injection. Its benefits are mainly to provide a water-rich environment for the skin, to prevent the adverse effects of the dry external environment on the skin, and to have an objective anti-wrinkle effect, but for existing wrinkles, the effect of external hyaluronic acid is not significant.
Some businesses publicize that oral hyaluronic acid can prevent the decline. In fact, macromolecule hyaluronic acid is almost impossible to be absorbed by the skin through oral administration.
The powerful moisturizer, naturally occurring in the corneal endothelium, can absorb 1000 times its own weight . It is one of the best moisturizers at present, but it should be noted whether the added concentration is sufficient to achieve the effect.
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