October 2025 in “Dermatologica Sinica” Combining laser therapy with other treatments effectively increases hair density and thickness for hair loss.
July 1998 in “Proceedings of SPIE” Low-power laser therapy is an effective, side-effect-free treatment that speeds up hair regrowth and crural ulcer healing.
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September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.
January 2023 in “Dermatologic Therapy” A new hand-held light therapy device was found to be safe and effective for treating mild-to-moderate acne.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.