tshwj xeeb tshaj yog rau cov tawv nqaij txias ua ntej, thaum lub sij hawm thiab tom qab siv cov uas tsis yog-invasive CO fractional laser, Q hloov laser, IPL los yog diode laser kho; Txias ntawm daim tawv nqaij kom loog, tsis txhob raug mob thermal; Qhov hluav taws xob cua txias qis rau -20 ~ -25 degree; Txo qhov mob thaum kho laser;