Our helmets have class 3R lasers. We are the only company on the market that uses proprietary lasers. The Theradome PRO LH80 contains 80 proprietary VL680 lasers. The Theradome EVO LH40 contains 40 proprietary VL680 lasers. Our lasers are the only lasers on the market that deliver the optimal wavelength for the deepest penetration to the hair follicle and maximum power to stop hair loss and promote hair growth.