Red light therapy is safe and works well for hair loss.
February 2023 in “Cosmoderma” Combining red LED therapy with beta-carotene is more effective for treating photoaging than red LED therapy alone.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Pulsed red light boosts collagen and energy in cells faster than continuous red light.
19 citations
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February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
6 citations
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September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.