MAKEUP PRODUCTS (NON-PERMANENT)

Although most chemicals in beauty products and cosmetics pose limited or zero risk, several dozen are linked with significant medical problems, such as developmental delays and cancer. Chemicals in cosmetics enter the body through the skin and inhalation, and lead to the same risks as food chemicals, per this site.

Contaminants and chemicals associated with cancer are found in water, food, and many other commonly used items. Still, no category of consumer items is subject to less government direction than cosmetics, including (do not use). While many of the contaminants and chemicals in cosmetics likely pose minimal risk, exposure to a few is associated with worrying health problems, such as cancer.