Polyglutamic Acid (PGA)

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[ Cas NO. ]  25736-27-0
[ Molecular Formula ] (C5H7NO3)n
[ Appearance ] White Powder
[ Purity ] 98.0%

[ Function ]
1. Intense Hydration:
Can hold up to 5,000 times its weight in water, providing significant moisture to the skin.
2. Enhance Skin Barrier:
Strengthens the skin's natural barrier, helping to prevent moisture loss.
3. Improve Elasticity:
Supports collagen production, contributing to firmer and more elastic skin.
4. Smoothing Properties:
Helps improve skin texture, making it appear smoother and more supple.
5. Whitening effect:
Polyglutamic acid can inhibit the activity of tyrosinase, thereby reducing melanin production and achieving a skin whitening effect.
6. Anti-Aging Effects:
Reduces the appearance of fine lines and wrinkles through consistent moisture retention.
7. Antioxidant:
Effectively combats free radical damage, prevents skin aging, and keeps skin looking youthful.

About Polyglutamic Acid (PGA)
Polyglutamic acid is a homopolymer of glutamic acid monomers linked by amide bonds.  Its structure consists of glutamic acid units forming peptide bonds through α-amino and γ-carboxyl groups.
Polyglutamic acid inhibits tyrosinase activity, thereby suppressing melanin production in the skin and achieving a whitening effect.  It also promotes the proliferation of natural moisturizing factors in skin keratinocytes, contributing to anti-aging and anti-wrinkle effects.
The main functions of polyglutamic acid include promoting mineral absorption, powerful moisturizing, skin whitening, antioxidant and anti-aging effects, and skin soothing. It is a multi-functional skincare ingredient that plays an important role in maintaining and improving skin condition.
Polyglutamic acid possesses excellent water solubility, biodegradability, chelating and adsorption capabilities, acid-base buffering capacity, as well as moisturizing, whitening, and anti-wrinkle properties. These properties give polyglutamic acid broad application prospects in various fields, including agriculture, cosmetics, skincare, and environmental protection.