Table 3.
Pigments in dermatome shave biopsies of 104 allergic tattoo reactions compared to pigments in tattoo ink stock products according to market surveys; red tattoo reactions and red tattoo inks
| Pigment | C.I. number | Present study of biopsies N = 104 | Danish screening of inks by product label25 N = 36 | 2011 Swiss study of inks by chemical analysis9 N = 190 | 2014 Swiss study of inks by chemical analysis26 N = 229 | Internet survey of inks by SDS27 N = 1416 |
|---|---|---|---|---|---|---|
| P.R. 22 | 12 315 | 35% | 0% | 0% | 3.5% | 0.1% |
| P.R. 210a, P.R. 170 | 12 475, 12 477 | 24% | 25% | 11% | 11% | 16% |
| P.R. 122b | 73 915 | 0.9% | 5.5% | 7% | 6% | 2.0% |
| P.R. 112b | 12 370 | 0.9% | 0% | 2.1% | 0.4% | 0% |
| P.R. 5b | 12 490 | 0.9% | 5.5% | 3% | 0.9% | 0% |
| P.R. 202 | 73 907 | 0% | 0% | 1.1% | 3.1% | 0% |
| P.R. 254 | 56 110 | 0% | 0% | 5% | 10% | 0.4% |
| P.V. 23b | 51 319 | 8% | 0% | 7% | 5% | 2.3% |
| P.V. 19b | 73 900 | 0.9% | 2.7% | 0.5% | 3.1% | 0.4% |
| P.O. 13 | 21 110 | 11% | 14% | 4% | 6% | 13% |
| P.O. 16 | 21 160 | 2% | 5.5% | 0% | 2.2% | 1.5% |
| P.Y. 74, P.Y. 65† | 11 740, 11 741 | 5% | 22% | 9.1% | 11% | 16% |
| P.Y. 151 | 13 980 | 0.9% | 5.5% | 1.6% | 2.2% | 0.6% |
| P.Y. 138 | 56 300 | 0.9% | 0% | 3% | 8% | 0.8% |
| P.Y. 1b | 11 680 | 0.9% | 0% | 3% | 0.9% | 0% |
| P.B. 15b | 74 160 | 16% | 22% | 18% | 18% | 21% |
| P.G. 7b | 74 260 | 10% | 19% | 8% | 7% | 4.6% |
Abbreviations: C.I., color index; P.B., Pigment Blue; P.G., Pigment Green; P.O., Pigment Orange; P.R., Pigment Red; P.V., Pigment Violet; P.Y., Pigment Yellow; SDS, safety data sheet.
a
P.R. 210 is a mixture that contains P.R. 170; P.Y. 74, and P.Y. 65 are positional isomers and are therefore not distinguishable with the methods applied.
b
Ban recommended by the Council of Europe, ResAP(2008)1.