MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetics pose slight or zero threat, several dozen have been associated with significant medical issues, such as cancer, and neurological harm. Chemicals in cosmetics invade the body through inhalation, the skin, and ingestion, and lead to similar problems as food chemicals, per this site.

Chemicals linked to cancer are found in food and several other common items. But, no classification of consumer items is susceptible to less government oversight than cosmetics, including NARS Precision Lip Liner. While many of the contaminants and chemicals in cosmetics and personal care products likely present little risk, being exposed to some has been linked to critical health conditions, including cancer.