From Shape.com……
Uneven pigmentation, sun damage, a rough and bumpy complexion, unwanted hair — these are universal issues we seek the help of dermatologists for. But getting successful fixes hasn’t always been available to many skin colors: Older lasers and peels posed a strong risk of discoloration or scarring on shades darker than “medium.” Essentially, anyone with brown or black skin hoping to even out their tone or texture or smooth their body was simply out of luck.