POLYDERM®(Collagen Stimulator) is a product that combines the advantages of both an aesthetic thread and a HA filler. It can help to generate autologous collagen and stimulate the synthesis of new collagen, leading to improvements in skin tone and elasticity. POLYDERM® has three types; Polydioxanone powder, Poly-c-caprolactone powder and Poly-L-Lactide powder. Microsphere powder offers short dissolution time.