I don't care for tattoos that are hard to see what they are or what they say, or have to be looked at long and close to get it, and always get questions like "what does that say ? ".
From what I've read, the tiny piece they would do for a color test isn't really a good indicator of potential problems. I know some people take longer to heal some colors, but I don't think that qualifies as an actual allergic reaction; just my two cents. I did a lot of research on documented allergic reactions to tattoos and there is a very small number of medically documented cases.
Ah I got it,
Hello all, Names Morgan just as is in my User name. Been tattooing now 11 years, currently working out of Oakland at Bell and Iron tattoo. On of my co-workers turned me on to this site and so here I am. Cheers.