The study also monitored how much tattoo ink was used in each session. The bottles of ink were precisely weighed before and after the session. All of the needles, cloths and gloves used were also ...

You can file this concept under the “do not do this at home” category ... decided upon was a simple one-word tattoo in blue ink reading “LEG.” The device could potentially draw more ...

In a new clinical study, scientists from the German Federal Institute for Risk Assessment (BfR) have traced the path and metabolism of the liquid components of tattooing agents in the body for the ...