MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products pose minimal or no threat, several are linked to substantial health conditions, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics get into a person's body through internal use, the skin, and inhalation, and pose the same dangers as food chemicals, per this site.

Chemicals and contaminants linked to cancer can be found in water, food, and lots of other common products. Yet, no area of consumer products is subject to less government oversight than cosmetics, including precision eye pencil. While many of the chemicals in cosmetics probably present little risk, being exposed to some is linked to serious health problems, including cancer.