MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetics pose little or no danger, dozens have been linked with considerable health issues, including neurological harm and cancer. Chemicals in cosmetics can enter a person's body through 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 common items. But, no classification of consumer items is susceptible to less government oversight than cosmetics, including Eye Inks. While many of the chemicals in cosmetics and personal care products likely present very little risk, your exposure to some is associated with worrying health issues, including cancer.