1, moisturizing effect

Moisturizing effect is the most important role of sodium hyaluronate in cosmetics, compared with other moisturizers, the relative humidity of the surrounding environment on its moisturizing effect is smaller;

2, nutritional effect

Sodium hyaluronate is the skin's intrinsic biological substances, exogenous sodium hyaluronate is the skin endogenous supplement. Smaller sodium hyaluronate can penetrate into the epidermal layer of the skin, promote the supply of skin nutrients and the excretion of waste products, thus preventing skin aging, and play a cosmetic and nourishing effect;

3, skin damage repair and prevention

Sodium hyaluronate can promote the regeneration of the skin of the injured area by promoting the proliferation and differentiation of epidermal cells, as well as the removal of the role of oxygen radicals, and the use of prior to have a certain Preventive effect;

4, lubrication and film-forming

Sodium hyaluronate belongs to the polymer, has a strong sense of lubrication and film-forming. Skin care products containing sodium hyaluronate have a clear sense of lubrication when applied and feel good. When applied to the skin, it can form a film on the skin surface, giving the skin a good sense of smoothness and moistness, and playing a protective role for the skin.

Hair care products containing ha can form a film on the surface of the hair, play a moisturizing, lubrication, hair care, eliminating static electricity and other effects, so that the hair is easy to comb, flowing natural;

5. Thickening

Sodium hyaluronate in aqueous solution has a very high viscosity, and its 1% aqueous solution is a gel, added to the cosmetic products can be used to thicken and stabilize the role.

Expanded

Hyaluronic acid (hyaluronic acid) in cosmetics in a few knowledge:

1, cosmetics, can play a unique role in the protection of the skin, can keep the skin moisturized and smooth, delicate and supple, rich in elasticity, with anti-wrinkles, wrinkles, beauty and health care and restoration of the skin's physiological functions.

2, hyaluronic acid (hyaluronic acid) this thing, in the body of the distribution is very wide, but the total amount is not a lot, weighing 75 kilograms of normal human body contains about 16 grams of hyaluronic acid, of which about one-third every day to be broken down and re-synthesized.

3, hyaluronic acid is a substance contained in our skin itself. She is able to retain a lot of water on her own, and at the same time is a good film-forming agent herself. This combines the benefits of glycerin and oil. At the same time, the skin feel of the moisturizer after hyaluronic acid is added to the system is still good.

4. It's worth saying that although hyaluronic acid is good, it's rarely added in large quantities to formulations. That's because hyaluronic acid is very easy to grow bacteria, especially when added in large quantities

5, hyaluronic acid in cosmetics is generally in the form of hyaluronic acid sodium salt, high water absorption, and water hydration will form a transparent colloid. Each gram of hyaluronic acid sodium salt can easily absorb 100 grams of water, therefore, some people have thought that you can use such a high water content of the ingredients when the skin moisturizer.

Hyaluronic acid itself does not prevent water from evaporating, and will soon turn into a dry film due to water evaporation, losing its moisturizing effect, and this film will make the skin even drier. Some people may find it easy to use hyaluronic acid products after a period of time, this is the loss of water dry hyaluronic acid.

Baidu Encyclopedia - Sodium Hyaluronate