Speaking from experience as a guy who got laser done on back, chest, and shoulders - it's definitely worth it! The pain is really not as bad as I expected, maybe a 4 out of 10 on most areas. Back was actually one of the easier spots for me. The place I went to, laser hair removal in Chicago, had cooling systems built into their lasers which helped a lot with comfort. They also offered numbing cream for more sensitive people, though I didn't end up needing it. The coarse hair thing is real though - took me about 8 sessions total, but seeing the difference after just 3-4 treatments kept me motivated. No more dealing with back hair or razor burn on my chest!