{ "url": "https://www.wired.com/review/currentbody-led-hair-growth-helmet/", "title": "CurrentBody LED Hair Growth Helmet Review: Baby Hairs Abound (2026) | WIRED", "snippet": "February 15, 2026 - Unlike more discreet red-light hair growth devices, like the HigherDose Red Light Hat (see our full review here), CurrentBody's entry is a full-on helmet, lined with 10 strips of 12 red lights each on a spectrum of 620 to 660 nm (nanometers, the unit of measure for the wavelength of visible light)." }