p‐Phenylenediamine‐Free Hair Dye?—Misleading Labelling Causing Allergic Contact Dermatitis

• DOI: 10.1111/cod.14813
• Publication Date: 2025-05-20T10:23:46Z
• Authors: Wimolsiri Iamsumang; Kevin Bertilsson; Jakob Dahlin; Pichamon Promsena; Ploychompoo Srisu...; Pranee Svetvilas; Penpun Wattanakrai; Annarita Antelmi; Cecilia Svedman; Thanisorn Sukakul
• Keywords: Hair dyes; p-Phenylenediamine; Contact Allergy

ABSTRACT We report three cases of contact allergy to a mislabelled hair dye product. A product labelled as p ‐phenylenediamine‐free has been found contain ‐phenylenediamine by chemical analysis at the level above limits allowed in