Question of the Day – Monday December 10, 2018

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)