Sodium Polyglutamate

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[ CAS No. ] 28829-38-1
[ Appearance ] White Powder
[ Purity ] 90%

[ Function ]
1. Moisturizes and locks in moisture, reducing transepidermal water loss (TEWL) and relieving dryness and peeling;
2. Promotes keratinocyte differentiation and ceramide synthesis, helping to repair the skin's physical barrier and reducing the penetration of external stimuli;
3. Synergistically enhances skin resilience with lipid components (such as cholesterol), improving redness or sensitivity caused by a weakened barrier;
4. Neutralizes free radicals, reduces UV-induced oxidative damage, slows collagen degradation, and helps prevent fine lines;
5. Inhibits histamine release, reduces the activity of inflammatory factors, and relieves burning sensations caused by external stimuli or excessive cleansing;

About Sodium Polyglutamate
Sodium polyglutamate is a natural biopolymer that primarily improves skin condition through mechanisms such as strong water retention, enhanced skin barrier, and improved absorption. It is suitable for moisturizing, repairing, anti-oxidation, and soothing sensitive skin.
The molecular structure of sodium polyglutamate contains numerous hydrophilic groups, allowing it to absorb thousands of times its own weight in water, forming a long-lasting moisturizing film and reducing skin moisture loss. This makes it especially suitable for dry or sensitive skin. Sodium polyglutamate possesses water-absorbing and moisturizing capabilities, can inhibit tyrosinase activity to reduce melanin production, and can inhibit hyaluronidase activity to delay wrinkle formation. It is widely used in the cosmetics industry.