Objective Using PAHG to repair vermilion, labial depression, lip defect and leptolips, to try new ways of lip repairs.

• 目的 应用聚丙烯酰胺水凝胶 (PAHG)整复唇红、唇部凹陷、唇珠缺损、薄唇 ,探索唇部整复新方法。