Products structure: 

The hyaluronic acid is biosynthetically produced by bacterial fermentation. After cross-linking, the characteristics of hyaluronic acid products are stable.
Non-animal, no skin test needed. After injection, the products are absorbed isovolemically, this implantation volume can be maintained for 6 to 12 months.
Each of the products is suitable to be injected at all layers in the skin which can be widely applied for correction of lines, augmentation of folds and the shaping of facial contours.