The hyaluronic acid filler according to the present invention exhibits improved high viscoelastic flow characteristics, and has advantages of monophasic hyaluronic acid fillers and biphasic hyaluronic acid fillers together, and therefore it maintains the shape while having low moving possibility when injecting into skin, and thus it is excellent when used for improving wrinkles, augmentation of soft tissues such as cheeks, chest, nose, lips and hips, etc., and correcting contours, and the duration time in the human body is increased and side effects are small, even if a small amount of crosslinking agent is used during the preparation process根據本發明之玻尿酸填料呈現改良的高度黏彈性流動特性，並同時具有單相玻尿酸填料和雙相玻尿酸填料的優點，並因此在注入皮膚中時可保持形狀且具有低移動可能性，及因此其當用於改善皺紋、增大軟組織諸如臉頰、胸部、鼻子、嘴唇和臀部等等，及校正輪廓時為極佳的，及在人體中的持續時間增加且副作用小，即使是在製備方法中使用少量交聯劑的情況。
