MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in cosmetics present little or no risk, several dozen have been associated to serious medical issues, including developmental delays and cancer. Cosmetic chemicals enter the body through inhalation, ingestion, and the skin, and lead to the same dangers as food chemicals, per this site.

Chemicals associated with cancer are found in food, water, and several other everyday products. But, no category of consumer products is accountable to less government oversight than cosmetics and other personal care products, including Gel Eyeliner. Though many of the chemicals and contaminants in cosmetics and personal care products almost certainly pose very little risk, subjection to some has been associated with significant health problems, such as cancer.