TATTOOS AND PERMANENT MAKEUP

Although the majority of chemicals in beauty products pose slight or zero risk, some have been linked with serious medical conditions, such as developmental delays and cancer. Cosmetic chemicals enter a person's body through ingestion, inhalation, and internal use, and cause similar problems as food chemicals, per this site.

Chemicals linked to cancer can be found in water, food, and a lot of other commonly used items. Still, no type of consumer items is subject to less government oversight than cosmetics, including Batman Heroes & Villains Tattoos. Although many of the chemicals in cosmetics and personal care products very likely pose little risk, being exposed to some has been linked to substantial health problems, including cancer.