MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in beauty products and cosmetics pose little or no danger, dozens have been associated to significant medical issues, including developmental delays and cancer. Cosmetic chemicals gain entry to a person's body through the skin, inhalation, ingestion and internal use, and cause similar problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in food and many other commonly used items. However, no type of consumer items is accountable to less government oversight than cosmetics and other personal care products, including Neutrogena Nourishing Brow Pencil. Although most of the chemicals and contaminants in cosmetics and personal care products almost certainly present little risk, being exposed to some has been linked to critical health conditions, such as cancer.