| Why carry out this study? |
| Platelet-rich plasma (PRP) has recently emerged as a novel treatment for melasma. |
| To date, there has been no systematic evaluation of the efficacy and safety of PRP as a treatment for melasma. |
| What was learned from the study? |
| This study showed PRP is a safe and efficient treatment for melasma. |
| The combination of PRP and microneedle showed the more promising results for melasma treatment. |
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