Fuente: WIPO "sustainability" The present invention relates to a production method of a PLLA filler for facial plastic surgeries with excellent sustainability. More specifically, according to the production method of a PLLA filler for facial plastic surgeries with excellent sustainability, the PLLA filler has excellent biocompatibility; has excellent sustainability by using poly-L-lactic acid (PLLA) in various forms capable of being hydrolyzed into lactic acid which is harmless to the human body; and can be injected through a syringe. COPYRIGHT KIPO 2018