“…Reactions to black areas in tattoos, in contrast, seem to be extremely rare. Black colour in tattoos can be produced with India ink (containing carbon particles), logwood (containing chrome), iron oxide and titanium oxide (2). We are aware of only one sure reaction to a black tattoo reported in the literature (3), plus 5 reported reactions to cosmetic eyebrow tattoos that, although not specified, were very likely brown-black in colour (4-6).…”