Methods During 128 patients cases,hayluronic acid injected into superficial layer of subcutaneous tissue or deep layer of derma of different parts on face.

• 方法:对这128名患者面部不同部位行皮下注射填充,即:把透明质酸制剂注射到相应部位的皮下组织浅层或真皮层的深层。