Table 2.
Classification of various types of fillers used in acne scars
| Temporary | Semipermanent | Permanent |
|---|---|---|
| Hyaluronic acid | Poly-L-lactic acid | Polymethyl methacrylate |
| Calcium hydroxylapatite | Polyalkylimide | |
| Polyacrylamide | ||
| Silicone |
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