MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetics pose hardly any or absolutely no threat, several dozen are associated with severe medical problems, such as developmental delays and cancer. Cosmetic chemicals gain entry to a person's body through inhalation, the skin, and ingestion, and cause similar dangers as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in food and various other common goods. Yet, no group of consumer goods is susceptible to less government oversight than cosmetics, including colored clay bronzer. Though many of the chemicals in cosmetics and personal care products most likely present very little risk, exposure to a few is associated with substantial health issues, such as cancer.