TLDR Infrared light therapy helps regrow hair.
The Luce LDS 100, an infrared light therapy, was reported to improve hair growth in individuals with androgenetic alopecia after one year of treatment, according to research by Robert Leonard, D.O. This therapy was new to the U.S. at the time and showed positive results in both men and women.
62 citations
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July 2018 in “Lasers in Medical Science” LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.
January 2019 in “Springer eBooks” PRP and LLLT can improve hair growth in AGA, but more research needed.
106 citations
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April 2013 in “Dermatologic Surgery” Low-level light therapy safely improves hair growth and thickness for androgenetic alopecia.
31 citations
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June 2018 in “Dermatologic Surgery” Low-level light therapy safely improves hair coverage, thickness, and count in androgenetic alopecia patients.
8 citations
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July 2020 in “Medicine” Helmet-like device safely increases hair density for people with hair loss.