MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in beauty products and cosmetics pose limited or zero risk, dozens have been linked with serious medical conditions, such as neurological harm and cancer. Cosmetic chemicals can enter a person's body through ingestion, inhalation, and internal use, and pose similar risks as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in food and several other common goods. However, no sector of consumer goods is subject to less government direction than cosmetics, including Eye Definer (Slate). Although many of the chemicals in cosmetics in all likelihood pose minimal risk, being exposed to a few is associated with worrying health problems, such as cancer.