... 3.ce 4.remove chloasma, acne,pigment 5.CO2 laser frequency beauty 1,a brief introduction This machine is vertical structure, ... damaged tissue defects, resulting in update the health organization. 3, the range of treatment 1. Laser wrinkle: hands, neck and facial wrinkle ... radius of 110cm Type of sealed-off CO2 laser laser Low order mode laser mode Laser wavelength 10.6μm Divergence angle 4mrad ...