MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in beauty products present hardly any or no threat, several dozen have been associated with severe medical conditions, such as cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals gain entry to a person's body through inhalation, the skin, and ingestion, and cause similar dangers as food chemicals, per this site.

Chemicals linked to cancer can be found in food, water, and several other ordinary items. However, no classification of consumer items is subject to less government inspection than cosmetics, including Colorstay Brow Crayon. While most of the chemicals and contaminants in cosmetics very likely present very little risk, being exposed to a few has been linked to worrying health problems, including cancer.