Question - It is well known that the introduction of tattoo ink into the dermis may promote an immunologic response. What color ink is most commonly associated with such reactions?
Answer - Immunologic reactions are most commonly seen in association with red tattoo ink. (Aguayo-Leiva I et al. Lichenoid red tattoo reaction and alopecia areata. 2011 Int J Derm 50:893-900)
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