MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in cosmetics present slight or zero risk, dozens have been linked with substantial medical problems, such as cancer, and neurological harm. Cosmetic chemicals enter a person's body through the skin, inhalation, ingestion and internal use, and pose the same problems as food chemicals, per this site.

Chemicals linked to cancer can be found in food and many other ordinary goods. However, no group of consumer goods is accountable to less government inspection than cosmetics and other personal products, including NARS Precision Lip Liner. Although many of the chemicals in cosmetics probably present minimal risk, exposure to a few has been linked to worrying health issues, including cancer.