MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in cosmetic products present very little or no risk, several dozen have been linked with serious health problems, including neurological harm and cancer. Cosmetic chemicals invade the body through internal use, the skin, and inhalation, and lead to similar dangers as food chemicals, per this site.

Chemicals and contaminants linked to cancer are found in food, water, and many other commonly used goods. Still, no type of consumer goods is susceptible to less government oversight than cosmetics and other personal care products, including Eyeliner. Though many of the chemicals in cosmetics almost certainly pose very little risk, exposure to a few has been linked to worrying health disorders, including cancer.