Red light
CurrentBody Skin LED Red Light Hair Growth Helmet
CurrentBody
LED helmet with 120 red LEDs at 660 nm (per the FDA summary and the user manual), used 10 minutes a day with auto shut-off; medium (21.3-23.2 in) and large (23.3-25 in) sizes. Price: $859.99 for the helmet alone, checked Oct 3, 2026 (bundles with CurrentBody's Series 3 LED face mask cost more); CurrentBody says FSA/HSA can be used for qualified products. Regulatory: FDA-cleared under K230336 (model MZ-07, per the user manual) for over-the-counter use to treat androgenetic alopecia (pattern hair loss) in men (Norwood-Hamilton IIa-V) and women (Ludwig-Savin I-1 to II-2 or frontal) with Fitzpatrick skin types I-IV; not cleared for other types of hair loss. Note: the product page lists Bluetooth and 620 to 660 nm, while the FDA summary describes 660 nm and no external interfaces. Evidence grade: B (for the device category, androgenetic alopecia only; not graded for this specific device or for other types of hair loss). A 2025 meta-analysis of 38 studies (about 2,930 people with androgenetic alopecia) found a larger increase in hair density with light therapy devices than with placebo or sham after 4-26 weeks, but results varied widely between trials and many trials were small or funded by device makers. For LED-only devices, a 2025 sham-controlled trial of a red/blue LED cap missed its primary endpoint in each treatment arm. Goals: hair. Directory: Red light > Laser & LED hair caps.
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