By adjusting the wavelength, the energy and pulse width of the laser pass through the skin to reach the hair root hair follicles, and the heat energy is absorbed and decomposes the hair follicle tissue to regenerate the hair. The quick-freezing point hair removal system is suitable for refrigeration protection. It can make the temperature up to -5°C, which solves many difficulties. At the same time, it is a safe, fast and long-lasting technology. Machine parameter application Almost all skin types can safely remove hair, with large light spots, and large area hair removal efficiency is higher.