Not difficult. If you want to whiten your skin, you can use laser skin rejuvenation surgery. Laser skin rejuvenation is a new generation of noninvasive laser skin rejuvenation instrument. It can emit laser with the wavelength of 1064[ 1] nm. Strong pertinence, and because it is monochromatic light, the thermal effect is small, coupled with the equipped plastic cooling system, even if you increase energy, you don't have to worry about burning your skin, and the effect is natural.