MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products present minimal or zero risk, dozens have been associated with severe medical problems, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter a person's body through the skin and inhalation, and lead to similar risks as food chemicals, per this site.

Chemicals associated with cancer can be found in food and many other everyday goods. However, no sector of consumer goods is susceptible to less government oversight than cosmetics and other personal products, including Duo Eyeliner. While most of the chemicals and contaminants in cosmetics likely present little risk, subjection to some has been associated with major health conditions, such as cancer.