MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetics present very little or no danger, dozens have been associated with considerable medical conditions, such as cancer, and neurological harm. Cosmetic chemicals enter a person's body through the skin, inhalation, ingestion and internal use, and lead to similar problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and various other common products. But, no kind of consumer products is susceptible to less government oversight than cosmetics, including Eyebrow Pencil Catridge. Though most of the chemicals in cosmetics likely pose very little risk, subjection to some is linked to worrying health issues, including cancer.