MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in cosmetics pose little or absolutely no threat, some are associated with serious medical issues, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter a person's body through the skin and inhalation, and cause the same dangers as food chemicals, per this site.

Chemicals associated with cancer can be found in water, food, and various other ordinary products. But, no group of consumer products is subject to less government direction than cosmetics and other personal products, including real lasting eye liner. Although most of the contaminants and chemicals in cosmetics likely pose very little risk, being exposed to some has been associated with substantial health issues, including cancer.