MAKEUP PRODUCTS (NON-PERMANENT)

Although many chemicals in beauty products and cosmetics present limited or no risk, several have been associated to serious medical conditions, such as neurological harm and cancer. Chemicals in cosmetics enter a person's body through inhalation, ingestion, and the skin, and lead to the same problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in water, food, and several other common items. However, no group of consumer items is susceptible to less government inspection than cosmetics, including Brow Definer. Although many of the chemicals in cosmetics probably pose minimal risk, being exposed to some has been linked to critical health problems, including cancer.