MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products pose minimal or no danger, several dozen have been linked with serious medical problems, such as neurological harm and cancer. Chemicals in cosmetics get into a person's body through the skin and inhalation, and cause similar problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in water, food, and many other ordinary goods. However, no sector of consumer goods is accountable to less government oversight than cosmetics and other personal products, including Automatic Eyeliner. While many of the chemicals in cosmetics almost certainly pose very little risk, being exposed to some is associated with serious health issues, such as cancer.