MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in beauty products and cosmetics pose hardly any or no danger, several are linked with substantial medical problems, including developmental delays and cancer. Cosmetic chemicals enter a person's body through internal use, the skin, and inhalation, and lead to similar dangers as food chemicals, per this site.

Chemicals linked to cancer are found in food, water, and a lot of other commonly used products. But, no category of consumer products is subject to less government direction than cosmetics and other personal products, including eye contouring stick (round) 1. Though most of the chemicals and contaminants in cosmetics and personal care products likely present very little risk, subjection to a few has been linked to substantial health problems, including cancer.