TATTOOS AND PERMANENT MAKEUP

Although most chemicals in cosmetic products pose limited or absolutely no danger, dozens are associated to severe medical problems, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics invade a person's body through inhalation, the skin, and ingestion, and cause the same problems as food chemicals, per this site.

Chemicals linked to cancer can be found in food, water, and various other commonly used products. Still, no category of consumer products is subject to less government management than cosmetics and other personal products, including St. Patrick's greeting card with tattoo attachment. Though many of the chemicals and contaminants in cosmetics likely pose minimal risk, exposure to some has been linked to critical health conditions, such as cancer.