Product name: sodium polyglutamate Other Name: sodium I-polyglutamate; I-PGA; I-Polyglutamic Acid INCI Name: SODIUM POLYGLUTAMATE Molecular Formula: L-Glu-(L-Glu)n-L-Glu Molecular Weight: 5kDa-2000kDa Appearance: White powder Purity: 92% CAS NO.: 28829-38-1 EINECS.: 201-127-6 Package: 1KG, 5KG Application: Toner, essence, lotion, cream, facial mask. Supplier: ZHENYIBIO Sodium polyglutamate can well increase the NMF content in the skin, penetrate the stratum corneum, and make the skin more moisturized; improve skin elasticity and softness; promote the growth of fiber cells, improve skin health and improve skin texture; When used in combination with hyaluronic acid,it can improve the stickiness of hyaluronic acid, inhibit the activity of hyaluronidase in the skin, and increase the water-retaining and water-locking functions of the product.