MAKEUP PRODUCTS (NON-PERMANENT)

Although the majority of chemicals in beauty products pose hardly any or absolutely no threat, some are associated with serious health problems, such as developmental delays and cancer. Chemicals in cosmetics gain entry to a person's body through inhalation, ingestion, and the skin, and pose the same dangers as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in water, food, and a lot of other ordinary goods. Still, no group of consumer goods is subject to less government direction than cosmetics and other personal care products, including eyeliner. Though many of the contaminants and chemicals in cosmetics and personal care products almost certainly pose very little risk, exposure to a few has been linked to worrying health disorders, including cancer.