I had 2 rounds of Ruby Laser to get rid of the nevus of Ota , but the freckles on the inside would have gotten worse, so I would have rather finished it in the 1st round.. After the 2nd round, I looked up side effects reviews and saw that there were many cases like mine, so I immediately wondered why I didn't look for it. It was fine until the 1st round, but it was a skin laser. You have to search everywhere for even one .