Fig. 2

![Fig. 2: Summary of included study characteristics and risk of bias assessment for the PRP delivery method comparison in hair loss treatment.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11896732/bin/10-1055-a-2510-5517-i23dec0511rev-2.jpg)

> Source: Johannes Albert Biben et al. "Local Injection versus Topical Microneedling of Platelet-Rich Plasma for Androge." *Archives of plastic surgery*, 2025. PMID: [40083615](https://pubmed.ncbi.nlm.nih.gov/40083615/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11896732/bin/10-1055-a-2510-5517-i23dec0511rev-2.jpg" alt="Summary of included study characteristics and risk of bias assessment for the PRP delivery method comparison in hair loss treatment." />
  <figcaption>Fig. 2. Summary of included study characteristics and risk of bias assessment for the PRP delivery method comparison in hair loss treatment.<br>  Source: Johannes Albert Biben et al. "Local Injection versus Topical Microneedling of Platelet-Rich Plasma for Androge." <em>Archives of plastic surgery</em>, 2025. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/40083615/">40083615</a></figcaption>
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