The iGrow Laser Hair Growth Helmet is a bestselling hair regrowth device on Amazon. It uses low-level laser therapy (LLLT) and red light therapy to stimulate hair follicles and promote hair growth. The helmet is designed to be worn for just 25 minutes, every other day. It is FDA-cleared and has been clinically proven to be effective in treating hair loss. The iGrow helmet is suitable for both men and women and can be used on all hair types. Users have reported noticeable improvements in hair density and overall hair health after using the device consistently.