The Theradome EVO LH40 Laser Hair Growth Helmet is a popular hair regrowth device that utilizes laser therapy to stimulate hair follicles. It features 40 medical-grade lasers that deliver optimal light energy to the scalp. The helmet is FDA-cleared and has been clinically tested for safety and effectiveness. It is designed to be used twice a week for 20 minutes per session. The Theradome EVO LH40 is suitable for both men and women and can be used on all hair types. Many users have reported positive results, including increased hair growth and reduced hair loss, after using this device.