Advantages of Three Wavelength Diode Laser Hair Removal Machine: 1. The 20*20cm large square spot not only is capable of eliminating treatment dead zone of traditional round one but also has high efficiency, fast speed and larger treatment area. 2. Since the laser can penetrate directly into hair follicles, energy loss can be prevented. 3. It is so safe and comfortable that patients can have a relaxing experience. 4. The treatment time is shortened on account that its velocity is about four or five times faster than normal machine. 5. This machine covers more comprehensive functions due to its three wavelengths, 755nm for light thin hair, 808 for both light and dark and 1064 for dark.