Procysteine

Procysteine is a double functional (lightening and anti-aging) whitening agent, which can infiltrate into the skin quickly without affecting the concentration of cell multiplication and effectively prevent activity of tyrosinase in the skin and the forming of melanin. So, It is one of the safest and most efficient whitening materials. Additionally, it is also an anti-aging material designed to reduce the appearance of fine lines and wrinkles and rejuvenate the skin. Excellent safety: Procysteine has excellent affinity with the skin. It will not cause a skin itch or erythema and no irritating or POX to skin.Excellent compatibility: Procysteine is soluble in water, has an excellent compatibility with all kinds of surfactants and functional ingredients in formulas.Excellent stability: Procysteine is stable for 2 years as supplied and applicable to a wide PH range and stable in a long time. Specification ProductProcysteineINCI NameOXOTHIAZOLIDINECARBOXYLIC ACIDChemical NameL-2-OXOTHIAZOLIDINE-4-CARBOXYLIC ACIDCAS No.19771-63-2AppearanceWhite or like-white powderodourOdourless or sour slightlyMelting Point168 to 170Ph (H2O C=1mol/L in H2O)1Purity≥98%Optical Rotation (C=1.0 in H2O 25 Degree C)-61 to -64Recommended usageTypeRecommended (%)Lightening and anti-aging personal care products2% to 8% Package: 5Kg/PVC Bag + Fiber Container Storage: Store in full closed container in a cool, dry place. Avoid strong acids and strong bases.