Product Description Poly Glutamic Acid is a water soluble, biodegradable, non-toxic biopolymer produced by microbial fermentation.Poly Glutamic Acid (gamma-PGA) is a natural occurring, multi-functional, and biodegradable biopolymer. It is produced through fermentation by Bacillus subtilis using glutamic acid. Specifications Molecular weight range Content (%) Grade Quite High Molecular Weight ≥2000000 ≥92% Cosmetic High Molecular Weight(New Type) ≥1000000 ≥92% High Molecular Weight(Old Type) ≥700000 ≥92% Low Molecular Weight ≤100000 ≥92% Quite Low Molecular Weight ≤10000 ≥92% Low Molecular Weight About 10000 ≥25% Agricultural Major functions in cosmetics * Function-based long-lasting moisturizing that helps the skin resist dryness; * Improvement of skin elasticity and smoothness; * Inhibition of melanin; * Maintenance of a healthy pH; * Slow-release transport system that enables the skin to absorb all nutrients; * Molecular wt from 5kDa to 2000kDa, gel besides granular and powder are also available to meet your personalized demand. Benefits Polyglutamic acid (PGA) is a polymer made from the natural amino acid glutamic acid. It is commonly used in cosmetics for its moisturizing, calming and antioxidant properties. The following is an introduction to its efficacy in the field of cosmetics: Moisturizing: PGA can form a protective film to lock in moisture and help skin stay hydrated. Improve skin elasticity: PGA can increase the content of collagen in the skin and promote the improvement of skin elasticity. Antioxidant: PGA has antioxidant effects and can help the skin fight against environmental pollution and free radical damage. Soothing and calming skin: PGA has a certain soothing and calming effect on sensitive skin, helping to relieve skin discomfort and reduce skin redness and other problems.