Is Diode Sheerlight Laser Safe for Upperlip As I Already Have Hyperpigmentation There?

I am in post menopause. have greyish patch on my upperlip and a brown patch on my nose.the hair on my upperlip is getting thicker.i am currently threading which i believe is not good for the hyper-pigmentation.It also has some ingrowth and stubble. my dermatologist suggested the diode sheer light laser hair removal.am confused.