... aging and loosening skin,coarse pores,slender wrinkles.2.Improve pigmentary pathological changes,such as freckle, ... wrinkles,tighten pore,and proliferate collagen protein.2.Blue lightHas a wavelength as 415 mm, ... straigtly if not wear the protective glasses.2.When do head or breat nursing,please close your ... Do not operate the laser pen,small photon head on eyeb4.Irradition nurse on paritial should ...