MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in cosmetic products present hardly any or no threat, dozens have been linked with considerable medical problems, such as neurological harm and cancer. Chemicals in cosmetics can enter a person's body through ingestion, inhalation, and internal use, and lead to similar problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and various other common goods. Yet, no classification of consumer goods is subject to less government inspection than cosmetics and other personal products, including Eye Pigment (Violet-6). Though many of the contaminants and chemicals in cosmetics in all likelihood pose very little risk, exposure to some has been linked to substantial health issues, including cancer.