MAKEUP PRODUCTS (NON-PERMANENT)

While many chemicals in cosmetics pose hardly any or no threat, some have been associated to substantial medical problems, including developmental delays and cancer. Chemicals in cosmetics can enter a person's body through internal use, the skin, and inhalation, and pose the same problems as food chemicals, per this site.

Chemicals and contaminants linked to cancer can be found in food, water, and many other everyday products. However, no classification of consumer products is accountable to less government oversight than cosmetics and other personal care products, including Waterproof Shadow Liner Duo (Slate). Although most of the chemicals in cosmetics and personal care products most likely present very little risk, exposure to some has been linked to substantial health issues, such as cancer.