Siv lub hauv paus ntsiab lus ntawm kev xaiv haum ntawm lub teeb.IPL ntawm qhov sib txawv wavelengths nqus cov xim tshwj xeeb lossis xim hauv daim tawv nqaij, decompose cov melanin hauv daim tawv nqaij, ua kom cov ntshav ncig thiab cov metabolism hauv daim tawv nqaij, thiab thaum kawg tso cov melanin tawm hauv lub cev, cov xim ntawm cov pob txha maj mam ploj mus.Nws tuaj yeem tshem tawm cov plaub hau, ua kom tawv nqaij thiab ua kom tawv nqaij.