MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products present minimal or no risk, some have been associated with severe health issues, including neurological harm and cancer. Cosmetic chemicals can enter the body through inhalation, ingestion, and the skin, and lead to the same problems as food chemicals, per this site.

Chemicals associated with cancer can be found in food and lots of other commonly used products. However, no classification of consumer products is subject to less government direction than cosmetics, including Shadow Quad. Though most of the chemicals in cosmetics and personal care products likely present little risk, subjection to a few has been associated with substantial health issues, including cancer.