Maibach H I, Gellin G, Ring M
Contact Dermatitis. 1975 Oct;1(5):295-6. doi: 10.1111/j.1600-0536.1975.tb05440.x.
Because of the allegation that butylated hydroxytoluene produced depigmentation in man, a prospective study was performed. Sixteen adult darkly pigmented males received daily occlusive applications for 60 days. Depigmentation was not observed.