MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products present hardly any or zero threat, several dozen are associated with serious medical problems, such as developmental delays and cancer. Cosmetic chemicals enter a person's body through internal use, the skin, and inhalation, and cause the same problems as food chemicals, per this site.

Chemicals and contaminants linked to cancer are found in food and many other common items. However, no type of consumer items is accountable to less government inspection than cosmetics, including Goof Proof Brow Pencil. While most of the chemicals in cosmetics most likely present little risk, being exposed to some is linked to significant health disorders, such as cancer.