MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in beauty products and cosmetics pose slight or no threat, several dozen have been linked with severe medical conditions, such as cancer, and neurological harm. Chemicals in cosmetics can enter a person's body through internal use, the skin, and inhalation, and cause the same problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in food and several other commonly used goods. However, no group of consumer goods is subject to less government oversight than cosmetics and other personal products, including NARS Multiple Duo. Though most of the chemicals and contaminants in cosmetics and personal care products likely pose minimal risk, being exposed to some has been associated with major health concerns, including cancer.