γ-Polyglutamic Acid

Polyglutamic acid (γ-Polyglutamic acid, English γ-Polyglutamic acid, abbreviated PGA) is a water-soluble polyamino acid produced by microbial fermentation in nature, and its structure is a high polymer in which glutamic acid units form peptide bonds through α-amino and γ-carboxyl groups.
The molecular weight ranges from 100kDa to 10000kDa. γ-Polyglutamic acid has excellent water solubility, strong adsorption and biodegradability, degradation product for pollution-free glutamic acid, is an excellent environmental protection polymer material, can be used as water retention agent, heavy metal ion adsorbent, flocculant, sustained release agent and drug carrier, etc. In cosmetics, environmental protection, food, medicine, agriculture, desert management and other industries have great commercial value and social value.
From the discovery of polyglutamic acid so far only a few decades of history, polyglutamic acid research is mainly in the laboratory stage, mainly including its property research, the improvement of bacteria and gene research, fermentation process research and extraction and purification process research, as well as derivatives production and properties of research. In recent years, due to the enhancement of people's environmental awareness and the requirements of the national sustainable development strategy, the development of environmentally friendly materials and the development of products to improve environmental problems has become an industrial trend, which has also promoted the process of industrialization research and exploration of polyglutamate. In this century, individual internationally renowned companies began to conduct research on the production and application of polyglutamate, some domestic universities and research institutes have also actively carried out relevant research, and several domestic enterprises have begun to plan large-scale production of polyglutamate. Due to the follow-up of these industrialization studies, polyglutamate has become one of the most concerned biological products at this stage.

γ-Polyglutamic acid (γ-polyglutamic acid, abbreviated as γ-PGA) is widely used in cosmetics, mainly due to its excellent moisturizing properties, biocompatibility and versatility. The following are the specific applications and advantages of γ-polyglutamate in cosmetics:

1. Moisturizing performance

 (1)Powerful moisturizing water lock capacity: γ-polygrogine has a strong water absorption and moisturizing ability, and its moisturizing effect is far beyond hyaluronic acid (hyaluronic acid) and collagen, which can provide deep and lasting moisturizing effects for the skin. Its water solution is colorless and odorless transparent glue. Because of its special three -degree space grid structure, it has a strong 5000 times water absorption and moisturizing capacity.

(2)Improve skin texture: γ-polygutine can increase the content of natural moisturizing factors in the cuticle of the skin, promote the growth of deep fibrous fiber mother cells, balance the skin acid and alkali value, restore the skin to elasticity, and smooth the occurrence of water dehydration. Fine lines.

2.whitening effect

γ-polykeline not only has a moisturizing function, but also has the effect of whitening skin. It can coordinate the efficiency of other whitening ingredients, significantly inhibit the production of melanin, and help the skin to achieve fair and translucent from the inside out.

3. Improve product texture

Adding γ-polyaline to cosmetics can significantly improve the touch and experience of the product. It can make the product more refreshing and non -greasy. After use, the skin feels more comfortable and breathable, as if sprinkled with refreshing powder.

4. high safety

γ-polykeutine is a biodegradable polymer material, which is non-toxic and harmless to the human body, and has good biocompatibility. Therefore, its application in cosmetics is safe and reliable and will not cause burden or stimulation to the skin.

5. Specific application products

The γ-polycromacleine is widely used in cosmetics, including but not limited to the following products:

(1)Nourishing lotion: As the main moisturizing ingredient, it provides deep nourishment for the skin.

(2)Moisturizing Essence: Use its powerful moisturizing water lock capability to provide a long -lasting moisturizing effect for the skin.

(3)Moisturizing mask: Through dense care, the skin restores the hydraulic state in a short period of time.

(4)Eye Cream: Help to relieve the dryness and fine lines of the skin.

(5)Sunscreen: Enhance the moisturizing performance of sunscreen products while reducing the stimulation of the skin.

(6)Lipstick and base powder: Add γ-polyaline to makeup products, which can significantly improve the dry lips and dry skin dryness, and create a more moisturizing makeup.

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