147 citations
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January 2014 in “American Journal of Clinical Dermatology” This study found that low-level laser treatment with the HairMax Lasercomb significantly increased terminal hair density in both men and women with pattern hair loss, with no serious adverse events reported.
45 citations
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December 2018 in “Lasers in Medical Science” In a 24-week randomized trial, this study found that the RAMACAP laser helmet significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, although limitations included a small sample size and potential issues with the control used.
July 2026 in “Journal of the American Academy of Dermatology” Higher fluence low-level laser therapy effectively promotes hair growth in androgenetic alopecia, with varying effects based on sex.
January 2013 in “프로그램북(구 초록집)” This study found that the Hair660™ low-level light therapy device significantly improved hair density and was safe for men with androgenetic alopecia over 24 weeks.
5 citations
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January 2021 in “Veterinary dermatology” This study found that adding low-level laser therapy to conventional treatment for canine acral lick dermatitis significantly increased hair growth compared to conventional therapy alone, but did not significantly reduce licking behavior.
