MAKEUP PRODUCTS (NON-PERMANENT)

While many chemicals in beauty products pose hardly any or zero risk, several dozen are associated with significant medical conditions, including neurological harm and cancer. Chemicals in cosmetics can enter the body through inhalation, the skin, and ingestion, and cause the same problems as food chemicals, per this site.

Chemicals linked to cancer are found in water, food, and many other commonly used goods. Still, no category of consumer goods is subject to less government inspection than cosmetics and other personal care products, including Cake Eye Liner. Although many of the contaminants and chemicals in cosmetics most likely pose little risk, being exposed to some has been linked to serious health conditions, such as cancer.