TIRO CAUSES BRAIN DAMAGE

Tiro is the Yoruba name for an eye cosmetic, in another Nigerian language, Hausa, it is called "tozali" or "Kwalli". Similar products intended to darken the eyes are known as kohl in English and Arabic and as "surma" or "kajal" in languages spoken in India and Pakistan.
Their preparations are not standardized, and most of them contain lead, tiro contains 82.6% lead.
The contribution that tiro might make to the cumulative burden of lead poisoning should not be overlooked.
Lead is highly toxic and can damage the brain, kidneys, bone marrow, and other body systems; high levels can cause convulsions, coma, and death. Young children are especially susceptible to lead exposures because of their floor-hand-mouth activity, greater gut absorption, and developing central nervous systems.