MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in beauty products present slight or absolutely no risk, some have been linked with serious medical issues, including neurological harm and cancer. Cosmetic chemicals can enter a person's body through inhalation, ingestion, and the skin, and cause the same problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in water, food, and many other commonly used items. However, no category of consumer items is accountable to less government inspection than cosmetics and other personal care products, including Eyeshadow (#12). Though many of the contaminants and chemicals in cosmetics in all likelihood present minimal risk, subjection to a few has been associated with worrying health disorders, such as cancer.