Nov 5, 2025 · 4 min read · 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...
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Oct 31, 2025 · 4 min read · Polycaprolactone (PCL) is a high-performance biodegradable polyester synthesized through the ring-opening polymerization of ε-caprolactone. As a semi-crystalline polymer with excellent mechanical flexibility, chemical stability, and biocompatibility,...
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Jul 16, 2025 · 3 min read · 1. Definition of PLLA Microspheres Poly-L-lactic acid (PLLA) microspheres are biodegradable spherical particles composed of medical-grade α-hydroxy acid polymers. They are categorized as synthetic regenerative biomaterials. Unlike traditional hyaluro...
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