MAKEUP PRODUCTS (NON-PERMANENT)

While many chemicals in cosmetic products pose minimal or absolutely no threat, dozens are linked to serious health conditions, such as cancer, and neurological harm. Chemicals in cosmetics get into a person's body through the skin and inhalation, and cause the same dangers as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in water, food, and several other ordinary items. But, no classification of consumer items is subject to less government management than cosmetics, including Gel Eyeliner. Although many of the chemicals and contaminants in cosmetics and personal care products almost certainly pose minimal risk, exposure to a few has been associated with serious health concerns, including cancer.