© Barbara Frommann / University of BonnCorpus delicti? Hatshepsut's tiny flask of lotion contained a cancer-causing tar residue.
Queen Hatshepsut, Egypt's greatest female pharaoh, might have moisturized herself to death, according to controversial new research into the dried up contents of a cosmetic vial.
Researchers at the University of Bonn, Germany, found a highly carcinogenic substance in a flask of lotion housed at the University's Egyptian Museum.
The vessel, which featured an inscription saying it belonged to Hatshepsut, was long believed to have held perfume.
"After two years of research, it is now clear that the flacon was a kind of skin care lotion or even medication for a monarch suffering from eczema," the University of Bonn said in a statement.
The skin lotion's ingredients included large amounts of palm and nutmeg oil, polyunsaturated fats that can relieve certain skin diseases, and benzopyrene, an aromatic and highly carcinogenic hydrocarbon.
"Benzopyrene is one of the most dangerous substances we know," said pharmacologist Helmut Wiedenfeld.