Effect and Safety Analysis of Poly (L-lactic acid) in Hand Rejuvenation
Lijie Chen Shanghai Starnic Medical Cosmetology Clinic, Shanghai 200040, China.
Objective To investigate the efficacy of poly (L-lactic acid) application in the rejuvenation of hands, and to analyzethe safety of its application. Methods two subjects with aging problems of the hands were given subcutaneous injections of poly-L-lactic