MAKEUP PRODUCTS (NON-PERMANENT)

Though the majority of chemicals in cosmetics present minimal or zero threat, several dozen have been associated with significant medical problems, including neurological harm and cancer. Cosmetic chemicals invade a person's body through internal use, the skin, and inhalation, and pose similar risks as food chemicals, per this site.

Chemicals associated with cancer are found in food and a lot of other common items. Still, no category of consumer items is susceptible to less government oversight than cosmetics, including NARS Duo Eyeshadow. Though many of the contaminants and chemicals in cosmetics and personal care products in all likelihood pose very little risk, exposure to some has been associated with major health problems, such as cancer.