MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in cosmetics pose little or zero risk, several are associated with substantial health issues, including cancer, and neurological harm. Cosmetic chemicals invade a person's body through inhalation, ingestion, and the skin, and pose similar risks as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and various other everyday items. Still, no classification of consumer items is susceptible to less government oversight than cosmetics, including Smoke & Define Liquid Eyeliner. Although many of the chemicals in cosmetics and personal care products probably pose minimal risk, exposure to some has been linked to significant health problems, such as cancer.