... widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc.The ... million. It’s aqueous solution has outstanding moisture keeping ability, high viscoelasticity and lubricity. It is widely used in cosmetics, pharmacy ... /bag, 500g/bag, 1000g/bag, 10bags/box,5 bags/box. High Quality Hyaluronic Acid