Eye cosmetics that are produced may contain kohl that comprises high levels of lead which is a dangerous metal for your body. The eye products can be kohl, al-Kahal, kajal, surma, tiro, tozali, or kwalli. Any products that contain these ingredients are illegal in the United States. And skin lightening products contain mercury which is also a heavy metal that can cause serious harm to your body. Such cosmostuff products can affect the nervous system, harm a developing fetus, and damage your kidney. Did you find this information beneficial?