MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in cosmetic products pose little or zero risk, several dozen are linked to considerable medical problems, such as developmental delays and cancer. Cosmetic chemicals can enter the body through the skin, inhalation, ingestion and internal use, and cause the same problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in water, food, and several other everyday items. Still, no kind of consumer items is subject to less government oversight than cosmetics, including colored clay blush. Though most of the chemicals in cosmetics very likely present minimal risk, being exposed to some has been associated with significant health issues, including cancer.