1. The oxidation of p-phenylenediamine, an ingredient used for permanent hair dyeing purposes, leads to the formation of hydroxyl radicals: Oxidative stress and DNA damage in human immortalized keratinocytes. Issue 3 (15th December 2015) Authors: Zanoni, Thalita B.; Hudari, Felipe; Munnia, Armelle; Peluso, Marco; Godschalk, Roger W.; Zanoni, Maria Valnice B.; den Hartog, Gertjan J.M.; Bast, Aalt; Barros, Silvia B.M.; Maria-Engler, Silvya S.; Hageman, Geja J.; de Oliveira, Danielle Palma Journal: Toxicology letters Issue: Volume 239:Issue 3(2015) Page Start: 194 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗