Discover the Best Red Light Therapy Devices for Hair Growth (2026)

WIRED-approved red light therapy devices that can stimulate visible hair regrowth after just 16 weeks of daily use, according to our expert testing.
Red light therapy has been gaining traction as a safe, drug-free way to promote healthy hair growth. Unlike harsh chemicals or invasive procedures, red light therapy works by delivering concentrated wavelengths of red and near-infrared light to the scalp, which can stimulate the body's natural hair growth processes.
To find the most effective red light therapy devices on the market, the WIRED research team put several top-rated models through extensive testing over a 16-week period. Our testers saw visible results, including thicker, fuller hair and a reduction in shedding. Here are the best red light therapy devices for hair growth that made the cut:
{{IMAGE_PLACEHOLDER}}Source: Wired


