Kohl
A dark eye cosmetic used since ancient Egypt across North Africa, the Middle East and South Asia.
Also: surma, kuhl, tiro
Kohl has been used for at least 5,000 years. Ancient Egyptians lined their eyes with mixtures based on galena, a lead ore, and malachite, and kohl pots are found in many tombs. The Arabic word kuhl gave the name. In South Asia it is called surma and is often applied with a thin metal stick. Some traditional kohl and surma contains lead, and health agencies in several countries warn against using those kinds. Kajal is its South Asian soot-based cousin.