MAKEUP PRODUCTS (NON-PERMANENT)

Although many chemicals in cosmetic products present little or zero danger, some are associated to substantial medical conditions, including neurological harm and cancer. Chemicals in cosmetics can enter the body through ingestion, inhalation, and internal use, and pose the same problems as food chemicals, per this site.

Chemicals linked to cancer are found in food and several other common items. But, no group of consumer items is susceptible to less government oversight than cosmetics and other personal care products, including self sharpening precision eyeliner. Although many of the chemicals in cosmetics probably present little risk, exposure to some is linked to critical health issues, such as cancer.