MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in beauty products and cosmetics present very little or no threat, some have been linked to substantial health issues, including developmental delays and cancer. Cosmetic chemicals get into a person's body through inhalation, the skin, and ingestion, and lead to similar problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in food, water, and lots of other common goods. Still, no category of consumer goods is subject to less government oversight than cosmetics and other personal products, including They're Real! (Blue). While many of the chemicals in cosmetics most likely pose very little risk, exposure to some is associated with serious health conditions, such as cancer.