MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products present hardly any or zero threat, some are linked with significant medical problems, including developmental delays and cancer. Chemicals in cosmetics can enter a person's body through the skin, inhalation, ingestion and internal use, and cause the same risks as food chemicals, per this site.

Chemicals and contaminants linked to cancer are found in water, food, and several other everyday products. However, no classification of consumer products is subject to less government inspection than cosmetics and other personal care products, including Mineral Eyeshadow. Although many of the chemicals in cosmetics and personal care products probably pose little risk, exposure to a few has been linked to worrying health conditions, such as cancer.