MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in cosmetic products present little or no threat, dozens have been linked to considerable medical conditions, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter a person's body through ingestion, inhalation, and internal use, and pose the same problems as food chemicals, per this site.

Chemicals linked to cancer are found in water, food, and many other commonly used products. Still, no classification of consumer products is subject to less government direction than cosmetics, including Brow Powder Duo Brunette (Light Shade). Although most of the chemicals and contaminants in cosmetics and personal care products most likely present very little risk, being exposed to a few is linked to worrying health issues, such as cancer.