MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in beauty products and cosmetics present slight or absolutely no threat, several have been linked with considerable medical problems, such as developmental delays and cancer. Chemicals in cosmetics enter a person's body through the skin, inhalation, ingestion and internal use, and cause similar risks as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and several other everyday items. However, no classification of consumer items is subject to less government direction than cosmetics and other personal products, including Kajal Eye Pencil. Though most of the chemicals in cosmetics almost certainly pose minimal risk, subjection to a few has been linked to worrying health concerns, such as cancer.