MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetics pose very little or no risk, several dozen have been associated with significant medical conditions, such as developmental delays and cancer. Cosmetic chemicals gain entry to a person's body through inhalation, ingestion, and the skin, and lead to similar risks as food chemicals, per this site.

Chemicals linked to cancer can be found in food, water, and a lot of other common products. However, no kind of consumer products is subject to less government management than cosmetics and other personal products, including Longwear Powder Shadow - Thanks a Latte. Though most of the chemicals and contaminants in cosmetics probably present little risk, exposure to a few is linked to substantial health conditions, such as cancer.