MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products pose little or no threat, several have been linked to severe medical conditions, such as developmental delays and cancer. Chemicals in cosmetics invade your body through ingestion, inhalation, and internal use, and cause similar problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in food and lots of other common products. However, no area of consumer products is subject to less government oversight than cosmetics, including liquid eyeliner. Though most of the chemicals and contaminants in cosmetics and personal care products likely pose little risk, subjection to a few is associated with significant health conditions, including cancer.