MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in beauty products pose little or no threat, several dozen have been associated with significant health issues, such as cancer, and neurological harm. Chemicals in cosmetics invade a person's body through the skin and inhalation, and lead to the same dangers as food chemicals, per this site.

Chemicals associated with cancer can be found in food, water, and a lot of other common goods. However, no classification of consumer goods is subject to less government oversight than cosmetics, including Twin Set. While most of the contaminants and chemicals in cosmetics likely pose very little risk, your exposure to some has been associated with serious health disorders, including cancer.