Best Red Light Therapy for Hair Growth: WIRED-Approved (2026)

Hair nonaccomplishment isn’t ever dramatic. It tin beryllium incremental. You commencement noticing a spot much scalp successful harsh bath lighting; a tiny bald spot erstwhile you necktie your hairsbreadth up successful a ponytail. The ablution drain is much clogged than usual. Not agelong ago, hairsbreadth nonaccomplishment treatments meant topical remedies, supplements, oregon a formation to Turkey. Luckily, reddish airy therapy brings the imaginable for hairsbreadth regrowth into your home—no objective assignment required.

Beyond tegument rejuvenation, probe suggests reddish airy therapy tin assistance energize hairsbreadth follicles, summation humor circulation successful the scalp, trim inflammation, and little dihydrotestosterone levels—a hormone that causes hairsbreadth nonaccomplishment and thinning. Red airy therapy besides supports adenosine triphosphate (ATP) production, which helps supply oxygen and humor travel to the scalp and triggers follicles to stay successful the hairsbreadth maturation phase.

To find the champion reddish airy therapy for hairsbreadth growth, I tapped 3 WIRED tech reviewers who've dealt with hairsbreadth nonaccomplishment themselves. We assessed reddish airy therapy caps, hands-free helmets with afloat scalp coverage, and low-level laser therapy oregon photobiomodulation devices for 16 weeks. Along the way, we reviewed the research, spoke with dermatologists, and tracked easiness of use. These are the favorites that produced meaningful results and earned our trust.

Be definite to cheque retired our different hairsbreadth attraction guides, including Best Dry Shampoos, Best Heat Protectant Sprays, and Best Hair Dryers.

Best Red Light Helmet

CurrentBody's LED Hair Growth Helmet is simply a wearable, cord-free, Bluetooth-enabled instrumentality aimed astatine improving hair’s density, thickness, and wide condition. Each sheet connected the helmet has 12 reddish lights (120 total), which are connected a spectrum of 620 to 660 nanometers (nm). The 620-nm reddish airy helps amended scalp wellness by promoting circulation, and the 660-nm reddish airy penetrates deeper, reaching done the epidermis and dermis to the hypodermis, wherever it stimulates maturation and repair astatine the follicle root. According to CurrentBody, you lone request to usage the instrumentality for 10 minutes a day, and you’ll spot results wrong 12 weeks.

My hairsbreadth grows famously slow. I got a pixie chopped successful the outpouring of 2011, and my hairsbreadth did not interaction my shoulders until the extremity of 2013. My hairsbreadth is besides ace fine. It tangles easy and often breaks disconnected (my ends are chronically adust and split). After 12 weeks, I didn’t announcement a immense quality successful magnitude (and I got a haircut halfway done testing), but I did announcement that my hairsbreadth seemed to beryllium sprouting caller follicles on my scalp and sideburn country successful particular. I started to spot tiny babe hairs on my hairline that I had ne'er seen before. My stylist commented that my hairsbreadth felt thicker, and I noticed little breakage and hairsbreadth caught successful bristles erstwhile brushing. My balding roommate besides tested it (although not regular similar me) and said that his hairsbreadth felt thicker and that determination was caller maturation astir the scalp.

The helmet comes successful 2 sizes: mean for a skull circumference of 21.3 to 23.2 inches, oregon large, for 23.3 to 25 inches. (I opted for medium, and it was excessively ample for my caput size.) The instrumentality sits connected a basal and is charged via a USB-C cord. It takes astir 3 hours to afloat charge, and it stays connected a azygous complaint for astir a week. The instrumentality is powered connected by the property of the azygous fastener located nether the charging port. The circular earmuffs support delicate ears with a cushy, removable faux leather cloth, and they tin beryllium adjusted respective inches up oregon down to guarantee a comfy fit. The surface connected the close earmuff indicates the clip near successful the attraction session, and the helmet automatically turns disconnected erstwhile the 10 minutes are up. You tin besides link the instrumentality to Bluetooth and play immoderate benignant of euphony oregon video portion wearing it, due to the fact that God forbid I beryllium near unsocial with my thoughts for 10 minutes a day. Just marque definite your hairsbreadth is cleanable and adust earlier use.

My lone complaints are that the receptor covers aren’t the easiest to set portion wearing and would oftentimes propulsion retired my hairsbreadth portion I removed oregon adjusted the helmet. Nevertheless, this is the champion reddish airy therapy for hairsbreadth growth. Just you wait, I’ll look similar Fabio connected the screen of a romance caller by adjacent year. See afloat reappraisal here. —Molly Higgins