MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetics pose slight or zero danger, dozens have been associated to considerable health conditions, such as neurological harm and cancer. Cosmetic chemicals enter a person's body through the skin, inhalation, ingestion and internal use, and lead to similar dangers as food chemicals, per this site.

Contaminants and chemicals associated with cancer are found in food and several other ordinary items. Still, no category of consumer items is subject to less government management than cosmetics, including cake eyeliner. Though most of the contaminants and chemicals in cosmetics and personal care products in all likelihood pose minimal risk, being exposed to a few is associated with substantial health issues, such as cancer.