Can red light therapy help with hair loss?
Expert Answer
Yes. The FDA has cleared multiple low-level laser devices for treating androgenetic alopecia in both men and women. Clinical trials show significant increases in hair count and density versus sham devices.
About Red Light Therapy
Typical Cost
$25–$75
per session
Evidence Level
moderate7,000+ published studies
Red (630-660nm) and near-infrared (810-850nm) light is absorbed by cytochrome c oxidase in mitochondria, enhancing electron transport chain activity, increasing ATP production, and modulating reactive oxygen species signaling.
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