I-Q-switched Nd: YAG laser ikhupha ukukhanya kunye nobude obuthile be-wavelength kwi-pulses yamandla aphezulu aphezulu, ngoko ke ukukhanya kungena kwi-tissue kuphela kwi-nanosecond.Ukukhanya kutsalwa yi-pigmentation kwaye kukhokelela ekudubuleni kwangoko, ngumgaqo wokuKhanya wokuqhushumba.Amasuntswana e-pigmentation aqhekeka abe ngamaqhekeza, amanye anokuthi agxothwe eluswini kwaye amanye acatshulwe abe ngamasuntswana amancinane anokufakwa yiphagocytes aze apheliswe yi-lymphatic system.