... age spots,birthmark, hair removal, ect.Technical Parameters:Laser type Q-switched ND:YAG laserLaser wavelength 532mn,1064mnFrequency ... .Treatment Theory:Eliminate spots, remove tattoos: The specific laser wavelength will effect on and melanin of epidermis and ... follicles surrounding tissue) absorbs the tremendous energy of the laser, the temperature rapidly increased, leading to tissue destruction ...