I, too, recommend shaving eyebrows prior to treatment. I know the idea is dispiriting to most people, but hair shafts in the treatment field will obstruct the work beam and lessen the treatment's effectiveness. In other words, get all the light you're paying for!
I think that the 532 wavelength is needed for this color. Also, a laser that has both nano and picosecond pulses is best. The Piqo4 has high power with large spot sizes to give the safest and most effective treatment of the lasers available on the market. I imagine it will take 6-8 treatments a...
I can not tell but he photo but it seems that you lost pigment in some places and may have a scar or open area in that tattoo. Pink is a difficult color because its often red with white mixed into the ink. the red normally isn't a big issue but requires a 532nm wavelength white...