Red light
iRestore Essential Laser Hair Growth System (ID-500)
iRestore
Hands-free helmet with 120 red light sources (51 lasers and 69 LEDs, 655 nm, 600 mW total per iRestore), used 25 minutes every other day. Price: $799 list price. On sale for $499 as of Oct 3, 2026. iRestore lists HSA/FSA payment, a 12-month money-back guarantee and a 2-year warranty. Regulatory: FDA-cleared (K213094, model ID-500) for over-the-counter use to treat androgenetic alopecia (pattern hair loss) in men (Norwood-Hamilton IIa-V) and women (Ludwig-Savin I-II) with Fitzpatrick skin types I-IV; not cleared for other types of hair loss. 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. Goals: hair. Directory: Red light > Laser & LED hair caps.
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