Q-hloov Nd:YAG laser radiates lub teeb nrog ib lub wavelength tshwj xeeb nyob rau hauv siab ncov zog pulses, li no lub teeb nkag mus rau hauv cov ntaub so ntswg tsuas yog rau ib nanosecond.Lub teeb yog absorbed los ntawm lub pigmentation thiab ua rau ib tug instantaneous moj tej tawg, uas yog lub teeb blasting txoj cai.Cov xim pigmentation tau tawg mus rau hauv cov khoom tawg, qee qhov tuaj yeem tawm ntawm daim tawv nqaij thiab lwm tus tuaj yeem muab faib ua cov khoom me me uas tuaj yeem cuam tshuam los ntawm phagocytes thiab tom qab ntawd tshem tawm los ntawm lymphatic system.