MAKEUP PRODUCTS (NON-PERMANENT)

Though the majority of chemicals in beauty products pose slight or no risk, several dozen are linked with severe medical issues, including cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals can enter a person's body through internal use, the skin, and inhalation, and lead to the same risks as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in food, water, and a lot of other everyday products. But, no area of consumer products is subject to less government oversight than cosmetics and other personal products, including No7 Stay Precise Felt Tip Eyeliner. Though many of the chemicals in cosmetics and personal care products almost certainly present little risk, being exposed to a few has been linked to major health concerns, such as cancer.