MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products present little or no threat, dozens have been linked with significant medical conditions, including cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals enter a person's body through ingestion, inhalation, and internal use, and lead to the same problems as food chemicals, per this site.

Chemicals linked to cancer are found in water, food, and a lot of other commonly used products. Still, no kind of consumer products is subject to less government inspection than cosmetics, including Treatment Foundation - 4. While most of the chemicals and contaminants in cosmetics very likely present very little risk, being exposed to a few is linked to significant health conditions, such as cancer.