TATTOOS AND PERMANENT MAKEUP

While most chemicals in cosmetic products pose limited or zero threat, several dozen have been associated with severe health issues, such as cancer, and neurological harm. Chemicals in cosmetics can enter a person's body through internal use, the skin, and inhalation, and pose similar problems as food chemicals, per this site.

Chemicals linked to cancer can be found in food, water, and a lot of other common goods. Still, no type of consumer goods is susceptible to less government inspection than cosmetics, including Tattoo in Greeting Card - 399HKB3977 (Superman). While many of the contaminants and chemicals in cosmetics most likely present little risk, being exposed to a few has been linked to critical health issues, including cancer.