... treatment.Therapeutic range:1.increases skin firmness and enhances complexion2.whitens skin and increases skin flexibility3.eliminates freckles, pigmentations ... air cooling, semiconductor cooling,cooling gel, and the skin temperature -3 to 10°C.5 humanized operating system makes ... effective, non invasive, long lasting hair removal,skin rejuvenation,skin tightening without any side effect.OEM&ODM service ...