MAKEUP PRODUCTS (NON-PERMANENT)

Though most chemicals in cosmetic products present little or zero threat, dozens have been associated to substantial medical problems, such as developmental delays and cancer. Cosmetic chemicals gain entry to the body through the skin, inhalation, ingestion and internal use, and pose the same problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer are found in food, water, and several other common products. But, no category of consumer products is subject to less government inspection than cosmetics, including L'Oreal Telescopic Waterproof Precision Liquid Eyeliner. While many of the chemicals in cosmetics likely present little risk, subjection to some has been associated with major health disorders, such as cancer.