MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in beauty products pose slight or absolutely no threat, several dozen have been linked to substantial health problems, such as cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals enter a person's body through the skin, inhalation, ingestion and internal use, and lead to the same problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in water, food, and a lot of other common items. However, no area of consumer items is susceptible to less government direction than cosmetics, including Eyeliner Pencil. Though most of the contaminants and chemicals in cosmetics most likely pose little risk, subjection to a few is associated with substantial health problems, including cancer.