MAKEUP PRODUCTS (NON-PERMANENT)

Although the majority of chemicals in cosmetic products pose little or zero danger, several dozen are associated to substantial medical conditions, including developmental delays and cancer. Chemicals in cosmetics can enter a person's body through the skin, inhalation, ingestion and internal use, and cause the same problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food, water, and a lot of other ordinary products. However, no group of consumer products is subject to less government oversight than cosmetics, including Concealer. While many of the contaminants and chemicals in cosmetics and personal care products most likely present minimal risk, being exposed to a few is linked to critical health concerns, including cancer.