Controlled study demonstrates significant improvement in hair growth among adults with hair loss, suggesting low-level laser therapy is a safe, non-invasive option.
Abstract Millions worldwide suffer from hair loss, impacting appearance and self-esteem. This study evaluates 1550nm wavelength low-level laser therapy (LLLT) for hair loss treatment, focusing on efficacy, follicle health improvement, and optimal treatment parameters. In a controlled study, 68 participants with hair loss received bi-weekly LLLT over three months. The experimental group (n = 60) also had additional maintenance therapy. Evaluations at baseline, post-treatment, and up to nine months showed significant improvement in hair loss conditions, especially in the experimental group. LLLT proves effective in enhancing scalp health and promoting hair growth, with potential as a non-invasive and safe option for managing hair loss.
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Wang et al. (2024) studied this question.
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