MAKEUP PRODUCTS (NON-PERMANENT)

Although most chemicals in cosmetic products present limited or absolutely no risk, some have been associated to serious medical problems, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter a person's body through inhalation, ingestion, and the skin, and lead to similar problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in water, food, and lots of other everyday products. Yet, no area of consumer products is susceptible to less government inspection than cosmetics and other personal care products, including Liquid Eyeliner. Although most of the chemicals in cosmetics almost certainly present minimal risk, exposure to a few is associated with major health concerns, including cancer.