research Human Hair Follicle Benzo[a]pyrene and Benzo[a]pyrene 7,8-diol Metabolism: Effect of Exposure to a Coal Tar-Containing Shampoo
This study found that enzyme activity critical to cancer induction by polycyclic aromatic hydrocarbons in human hair follicles increased after using a crude coal tar-containing shampoo for four days and was substantially inhibited by imidazole compounds.
