MAKEUP PRODUCTS (NON-PERMANENT)

Although most chemicals in cosmetics pose slight or absolutely no risk, several have been linked to considerable medical conditions, such as developmental delays and cancer. Chemicals in cosmetics enter a person's body through inhalation, ingestion, and the skin, and cause similar dangers as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in water, food, and a lot of other commonly used products. But, no type of consumer products is subject to less government inspection than cosmetics, including Neutrogena Nourishing Brow Pencil. Though most of the chemicals and contaminants in cosmetics most likely present minimal risk, your exposure to a few has been associated with critical health problems, such as cancer.