MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products present minimal or absolutely no danger, some have been linked to significant health conditions, including developmental delays and cancer. Cosmetic chemicals can enter the body through inhalation, ingestion, and the skin, and lead to similar risks as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in food and several other everyday products. However, no category of consumer products is subject to less government inspection than cosmetics and other personal products, including Fat Free Foundation - #3. Though most of the chemicals and contaminants in cosmetics and personal care products probably present little risk, exposure to some has been associated with critical health problems, such as cancer.