MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products pose slight or no danger, dozens are associated with severe medical issues, including neurological harm and cancer. Cosmetic chemicals can enter the body through inhalation, ingestion, and the skin, and cause similar problems as food chemicals, per this site.

Chemicals linked to cancer can be found in water, food, and several other common products. Yet, no classification of consumer products is subject to less government inspection than cosmetics and other personal products, including inkwell eyeliners. Although many of the chemicals and contaminants in cosmetics and personal care products most likely pose very little risk, subjection to a few is linked to significant health concerns, including cancer.