https://doi.org/10.1351/goldbook.13002
Acne-like eruption caused by exposure to certain chlorinated organic substances such as polychlorinated biphenyls or 2,3,7,8-tetrachlorodibenzo[1,4]dioxin [2,3,7,8-tetrachlorooxanthrene] and other polychlorinated dibenzodioxins and furans.
Note: The lesions are most frequently found on the cheeks, behind the ears, in the armpits and groin region.