TY - JOUR T1 - Allergic Contact Dermatitis Due to Paraphenylenediamine: An Update JO - Actas Dermo-Sifiliográficas T2 - AU - Encabo Durán,B. AU - Romero-Pérez,D. AU - Silvestre Salvador,J.F. SN - 15782190 M3 - 10.1016/j.adengl.2018.06.017 DO - 10.1016/j.adengl.2018.06.017 UR - https://www.actasdermo.org/en-allergic-contact-dermatitis-due-paraphenylenediamine-articulo-S1578219018302294 AB - Paraphenylenediamine (PPD) is an amine that is mainly used as an ingredient in hair dyes and henna tattoos. The incidence of allergic contact dermatitis to PPD is increasing, particularly in younger patients. In this article, we review the main sources of PPD and the substances with which it can interact and present a practical algorithm for diagnosing and treating suspected cases of PPD allergy. ER -