Polyglutamic acid
Polyglutamic acid(γ-PGA), also known as natto gum or polyglutamic acid, is a water-soluble, biodegradable, non-toxic biopolymer prepared
by microbial fermentation.It is 500 times more effective than hyaluronic acid in hydrating and holding water.Mainly used for moisturizing, whitening, bacteriostasis and improving skin health.
Function of the skin | γ–PGA | Hyaluronic acid | collagen |
Source | Non-animal (natto yeast) | Non-animal (Streptococcus) | Animal (deep sea fish skin) |
| A single amino acid | Disaccharide derivatives | Three amino acid |
antibacterial property
| ↗ | → | ↘ |
Increases elasticity of skin | ↗ | ↗ | → |
Promote the skin natural moisturizing ability | ↗ | ↗ | ↗ |
The hydrophilic | strong | strong | weak |
Maintain healthy skin | fine | fine | good
|
PH, thermal stability | fine
| fine | Worse |
Tactile sensation after film formation | Dry, fine and smooth | fine and smooth | Dry, fine and pulled |
The surface of the skin moisture loss | ↘ | ↘ | → |
summarize | excellent
| excellent
| fine
|
Cosmetic addition amount | 0.05-0.1 |
The main role of polyglutamic acid in cosmetics and skin care products is moisturizer and skin conditioner. The risk coefficient is 1, which is relatively safe and can be used at ease. Generally, it has no effect on pregnant women, and polyglutamic acid has no acniogenicity.n.
Polyglutamic acid can promote the activity of fibroblast cells and has a skin activating effect. It can be used in anti-aging and anti-wrinkle cosmetics.The higher molecular weight polyglutamic acid can not promote the activity of fibrous bud cells as the smaller molecular weight, but it is better than the small molecular weight product in stabilizing foam, moisturizing ability, adsorption on hair and other properties, used in hair water, antistatic, hair smooth 'polyglutamic acid has the role of whitening skin.
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