Laureth 9 is a nonionic surfactant and it is used as a sclerosing agen; in the treatment of esophageal and gastric varices and a local anesthetics. We report a 20-year-old male patient presenting with features of alergic contact dermatitis due to laureth 9 used in the oxoralen, ointment.
(Kor J Dermstol 1993; 31(1): 95-98)