MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetics pose slight or zero threat, dozens have been linked to considerable health conditions, such as cancer, and neurological harm. Cosmetic chemicals can enter a person's body through ingestion, inhalation, and internal use, and cause the same problems as food chemicals, per this site.

Chemicals associated with cancer are found in food and several other common products. Still, no classification of consumer products is susceptible to less government oversight than cosmetics and other personal care products, including Twinkle Twinkle Liquid Glitter Eye Shadow. While most of the chemicals and contaminants in cosmetics and personal care products in all likelihood present little risk, being exposed to some is associated with worrying health problems, including cancer.