MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in beauty products pose hardly any or no risk, dozens have been associated to significant health conditions, including cancer, and neurological harm. Cosmetic chemicals enter a person's body through inhalation, ingestion, and the skin, and lead to similar problems as food chemicals, per this site.

Chemicals associated with cancer can be found in food, water, and several other everyday products. Still, no area of consumer products is subject to less government management than cosmetics, including Lancome Le Stylo Waterproof Long Lasting Eyeliner. Though most of the chemicals and contaminants in cosmetics most likely pose minimal risk, subjection to a few is associated with worrying health concerns, including cancer.