fig1

Figure 1. Macroscopic findings at injection sites. PDLLA filler injection sites can be visually confirmed. Inflammatory indicators, such as redness at the injection site or in the surrounding skin, were not present. A: immediately after PDLLA filler injection; B: at the 2nd week after PDLLA filler injection; C: at the 4th week after PDLLA filler injection. PDLLA: Poly-D,L-lactic acid