MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetics pose little or no risk, several dozen are associated with serious medical issues, including developmental delays and cancer. Chemicals in cosmetics gain entry to a person's body through internal use, the skin, and inhalation, and lead to similar problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food, water, and a lot of other common products. Still, no group of consumer products is accountable to less government management than cosmetics, including Brow Wiz (Auburn shade). Though many of the chemicals in cosmetics probably pose very little risk, being exposed to some is linked to serious health issues, including cancer.