PDO threads are polymer filament lines impregnated with polydioxanone used in cosmetic lifting to stimulate collagen

https://www.scribd.com/document/998308793/PDO-Thread-Tightening-Therapy-When-to-Combine-with-Energy-Devices-200303

PDO threads are polymer filament lines impregnated with polydioxanone used in cosmetic lifting to stimulate collagen and subtly tighten facial contours.