Product name: PGA-Hydrogel Other Name: gamma-PGA hydrogel; PGA-Hydrogel PH: 5-7.5 Appearance: Colorless or yellowish transparent liquid Purity: 85% Recommended Dosage: 0.5%-5.0% Supplier: ZHENYIBIO Application: Moisturizing essence, moisturizing mask, sunscreen, body lotion, shower gel. In addition to strengthening the original functions of polyglutamic acid,PGA-Hydrogel has a significant moisturizing effect on active ingredients,increasing the overall moisturizing effect of the product by 45%, and improving the long-term moisturizing effect of the product.