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