... will have the following functions:1. decomposes abnormal pigmentation, which can remove pigment, such as freckle, age spot, sunburn, etc. ... vessel.3. stimulates collagen's production and reparation, which can remove wrinkle, rejuvenate the skin, make skin more flexible. ... the treated handle, it used the semiconductor cooling system,can arrive at 0-5°C temperature,making the patients more comfortable ...