MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in beauty products and cosmetics pose minimal or zero risk, several dozen have been associated to significant health conditions, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter a person's body through the skin and inhalation, and pose the same problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and lots of other everyday goods. However, no classification of consumer goods is subject to less government inspection than cosmetics, including Neutrogena Nourishing Brow Pencil. While many of the chemicals in cosmetics and personal care products very likely present minimal risk, being exposed to a few has been linked to serious health disorders, including cancer.