MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in cosmetic products present little or no risk, several dozen have been linked to serious medical conditions, such as developmental delays and cancer. Chemicals in cosmetics gain entry to the body through the skin and inhalation, and pose similar problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in food, water, and several other commonly used goods. But, no category of consumer goods is subject to less government oversight than cosmetics, including Little Black Book of Looks. Although most of the contaminants and chemicals in cosmetics likely present minimal risk, being exposed to a few is linked to significant health disorders, including cancer.