Figure 7

![Figure 7: Proposed mechanism diagram integrating microbiome and metabolome findings to explain how microneedling may influence alopecia areata through the gut-skin axis.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12405465/bin/fmicb-16-1649496-g007.jpg)

> Source: Yue Zhang et al. "Investigating the potential mechanism of microneedling in alopecia areata mice b." *Frontiers in microbiology*, 2025. PMID: [40909920](https://pubmed.ncbi.nlm.nih.gov/40909920/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12405465/bin/fmicb-16-1649496-g007.jpg" alt="Proposed mechanism diagram integrating microbiome and metabolome findings to explain how microneedling may influence alopecia areata through the gut-skin axis." />
  <figcaption>Figure 7. Proposed mechanism diagram integrating microbiome and metabolome findings to explain how microneedling may influence alopecia areata through the gut-skin axis.<br>  Source: Yue Zhang et al. "Investigating the potential mechanism of microneedling in alopecia areata mice b." <em>Frontiers in microbiology</em>, 2025. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/40909920/">40909920</a></figcaption>
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