MAKEUP PRODUCTS (NON-PERMANENT)

While many chemicals in beauty products and cosmetics pose limited or zero threat, several have been associated to substantial health conditions, such as developmental delays and cancer. Chemicals in cosmetics get into a person's body through ingestion, inhalation, and internal use, and lead to the same risks as food chemicals, per this site.

Chemicals and contaminants linked to cancer are found in water, food, and lots of other everyday goods. However, no category of consumer goods is subject to less government oversight than cosmetics and other personal products, including colored clay eyeshadow. Although most of the contaminants and chemicals in cosmetics and personal care products probably pose very little risk, being exposed to a few has been linked to significant health conditions, including cancer.