Diode Laser Hair Removal Machine 755nm 808nm 1064nm 3 Wavelength Cooling Head EpilatorWorking theory of 808 portable laser hair removal : Semiconductor freezing point depilatory instrument adopts 808 nm wavelength, the wavelength effective penetration depth can achieve target tissue (hair papilla), appropriate pulse duration security target tissue generate enough thermal damage and surrounding tissues almost not affected; A moderate amount of energy density security in the suitable time to provide strong enough energy output enough to