... widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc.The commercial HA is ... outstanding moisture keeping ability, high viscoelasticity and lubricity. It is widely used in cosmetics, pharmacy and health and beauty food.Analysis of Certificate ... bag, 500g/bag, 1000g/bag, 10bags/box,5 bags/box. High Quality Hyaluronic Acid