Laser hair removal, should I be worried if I cut my chin shaving beforehand?

The Gentlelase is a consistent, effective and safe laser to treat this issue.  Some patients have a "hivey" type of response after the treatment.  Your body is producing histamines in response to the assault on your follicles. This exaggerated inflammatory response is tough to...

There would be no issue for you to have laser hair removal of the arms/legs, followed by picture tattoo removal days later, presuming the medical clinic where you have your lasers done is professional and staff well trained.

I would start with an endocrinologist to stabilize the PCOS.  If it isn't under control, then the hair might not respond to laser treatment; it would keep regrowing.  I also wouldn't go to clinics.  Find a board certified dermatologist and get treatment by him/her.  You might want to start with...