Poly-L-lactic Acid: Mechanism, Clinical Use, and Advances in...

Poly-L-lactic Acid: Mechanism, Clinical Use, and Advances in Regenerative Medicine

Poly-L-lactic acid (PLLA) is a bioabsorbable and biocompatible synthetic polymer widely used in aesthetic medicine and tissue repair. It was initially developed as a degradable suture material and has now become an FDA-approved injectable implant for facial volume restoration and wrinkle correction. The uniqueness of PLLA lies in its ability to gradually stimulate collagen production,...

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