Kubo Y, Nonaka S, Yoshida H
Contact Dermatitis. 1986 Oct;15(4):215-7. doi: 10.1111/j.1600-0536.1986.tb01339.x.
A case of contact sensitivity to the unsaponifiable substances in sesame oil is reported. An ointment composed of 60% sesame oil was used for the treatment of a burn on the forearm. 10 days later, contact dermatitis developed. The allergens were shown to be sasamin and sesamolin, which are unsaponifiable substances in sesame oil.