Efficacy of Subdermal Poly‐ <scp>d</scp> , <scp>l</scp> ‐Lactic Acid Injections for the Treatment of Melasma

PDLLA subdermal injections showed promising results in melasma treatment, potentially due to its biostimulatory effects on collagen production and dermal remodeling. Further research, including histopathological analysis, is needed to confirm long-term efficacy and safety, and understand underlying mechanisms.