The Use of Low-Level Light Therapy in the Treatment of Androgenetic Alopecia and Female Pattern Hair Loss

August 2013 in “ Journal of Dermatological Treatment ”

Anik Gupta, Deanne Daigle

low-level light therapy androgenetic alopecia female pattern hair loss hair regrowth hair density LLLT AGA FPHL

TLDR Low-level light therapy may help hair regrowth, but more research is needed.

This article discusses the use of low-level light therapy (LLLT) in the treatment of androgenetic alopecia (AGA) and female pattern hair loss (FPHL). Although LLLT devices claim to promote hair regrowth, few well-designed, controlled studies have yielded convincing evidence of their efficacy. Some studies have demonstrated increases in hair density after LLLT treatment, but the extent to which LLLT is effective remains unclear. Further well-designed, controlled studies are required to elucidate the efficacy of LLLT for hair regrowth.

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