Ilaser ye-Q-switched Nd:YAG ikhipha ukukhanya ngobude beza obuthile kuma-pulses amandla aphezulu, yingakho ukukhanya kungena esicutshini kuphela nge-nanosecond.Ukukhanya kumuncwa umbala bese kuphumela ekuqhumeni okuphazima kweso, okuyisimiso sokuqhunyiswa kokukhanya.Izinhlayiya ze-pigmentation ziphahlazeka zibe yizicucu, ezinye zingabhampa ngaphandle kwesikhumba kanti ezinye zingahlukaniswa zibe izinhlayiya ezincane ezingase zifakwe ama-phagocyte bese ziqedwa uhlelo lwe-lymphatic.