It is permanent, but you will need about 2-3 procedures so the hair won't grow back. In my opinion, it is the best option if you want to get rid of some hair on your body. It is not even that painful as waxing or any other procedure, the fact is that the light will "burn" the hair bulb, and that one won't grow back. I absolutely would recommend this procedure. I did two laser hair removal treatments in a good clinic in New York, https://www.byoulaserclinic.com/how-much-does-laser-hair-removal-treatment-cost-in-brooklyn/ is a very competent clinic in my opinion. Hope you will find this information useful.