MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in beauty products and cosmetics present little or zero risk, several dozen have been associated to serious medical problems, including cancer, and neurological harm. Cosmetic chemicals gain entry to a person's body through ingestion, inhalation, and internal use, and pose similar problems as food chemicals, per this site.

Chemicals associated with cancer can be found in food and several other common goods. Still, no group of consumer goods is susceptible to less government oversight than cosmetics and other personal care products, including Neutrogena Skin Prep + Correct Primer. Though many of the chemicals and contaminants in cosmetics almost certainly pose very little risk, your exposure to some is associated with substantial health issues, including cancer.