**Figure 1.** Fig. 2. Active treatment group subject pre and post treatment image examples. Hair counts for subject A were 153 at baseline and 221 post treatment. Hair counts for subject B were 108 at baseline and 209 post treatment.

विवरण

Pre- and post-treatment photographs from the active red light therapy group demonstrate visible increases in hair density, with representative subjects showing hair count improvements from 153 to 221 and 108 to 169 hairs respectively.

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Pre- and post-treatment photographs from the sham device group show minimal changes in hair density, with representative subjects maintaining stable counts of 151 to 166 and 41 to 44 hairs, serving as controls for the red light intervention.

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Source Paper

The growth of human scalp hair in females using visible red light laser and LED sources.

Lasers in surgery and medicine (2014)

PMID: 25124964

DOI: 10.1002/lsm.22277

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![Figure 1: Pre- and post-treatment photographs from the active red light therapy group demonstrate visible increases in hair density, with representative subjects showing hair count improvements from 153 to 221 and 108 to 169 hairs respectively.](https://pdfs.citedhealth.com/figures/25124964/102.png)

> Source: Raymond J Lanzafame et al. "The growth of human scalp hair in females using visible red light laser and LED ." *Lasers in surgery and medicine*, 2014. PMID: [25124964](https://pubmed.ncbi.nlm.nih.gov/25124964/)

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  <img src="https://pdfs.citedhealth.com/figures/25124964/102.png" alt="Pre- and post-treatment photographs from the active red light therapy group demonstrate visible increases in hair density, with representative subjects showing hair count improvements from 153 to 221 and 108 to 169 hairs respectively." />
  <figcaption>Figure 1. Pre- and post-treatment photographs from the active red light therapy group demonstrate visible increases in hair density, with representative subjects showing hair count improvements from 153 to 221 and 108 to 169 hairs respectively.<br>  Source: Raymond J Lanzafame et al. "The growth of human scalp hair in females using visible red light laser and LED ." <em>Lasers in surgery and medicine</em>, 2014. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/25124964/">25124964</a></figcaption>
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