There is currently a bit of a struggle within the hair removal industry over who is allowed to purchase and use lasers for hair removal.
The article below is written by a practitioner who advocates laser use by anyone certified through a training program like the one he runs:
The article below is an overview of laser history, including a section at the end on the controversy:
Hairfacts: Laser history and current issues
It is my personal recommendation that you go to a physician who performs the procedure. Barring this, I recommend making sure the physician is on-site during your procedure.
Consumers with darker skin tones or with tanned skin are strongly urged to consider a medical professional, due to the higher likelihood of side effects like blistering, scarring, and discoloration.