We consulted dermatologists for intel on what red light therapy for hair growth can–& can’t–do for your mane, plus which caps & helmet devices are worth trying.
Scroll TikTok and you’ll likely come across reels heralding a newly buzzy trend: red light therapy for hair growth. This technology–promoted by doctors, influencers, and celebs –seems to be a surefire solution for anyone wanting thicker, healthier strands.
In short, yes! “Many clinical trials have been completed on red light therapy for hair loss, and they have displayed marked improvement in hair growth, density, and tensile strength,” says Michele Green, MD, a board-certified cosmetic dermatologist in NYC. More specifically, research shows red light therapy can promote hair growth in both men and women with androgenetic alopecia , Green says. Additional studies demonstrated it can help combat alopecia areata , Daveluy adds.
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