MAKEUP PRODUCTS (NON-PERMANENT)

Although most chemicals in cosmetics pose very little or no danger, several dozen are associated to severe medical problems, including developmental delays and cancer. Chemicals in cosmetics invade a person's body through inhalation, the skin, and ingestion, and pose similar problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in food, water, and several other commonly used items. Still, no sector of consumer items is susceptible to less government oversight than cosmetics and other personal care products, including Liquid shadow & liner. Though most of the contaminants and chemicals in cosmetics likely present minimal risk, being exposed to some is associated with serious health problems, such as cancer.