MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in cosmetic products present slight or no threat, some have been associated with substantial medical problems, including developmental delays and cancer. Cosmetic chemicals enter a person's body through internal use, the skin, and inhalation, and pose similar problems as food chemicals, per this site.

Chemicals associated with cancer are found in food and various other everyday goods. However, no category of consumer goods is subject to less government inspection than cosmetics and other personal products, including Automatic Eye Liner Pencil. Though many of the chemicals in cosmetics likely pose very little risk, exposure to a few has been associated with significant health conditions, such as cancer.