MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products pose very little or absolutely no risk, several dozen are linked to significant medical issues, such as developmental delays and cancer. Chemicals in cosmetics enter a person's body through internal use, the skin, and inhalation, and lead to similar risks as food chemicals, per this site.

Chemicals linked to cancer are found in food and a lot of other common items. But, no group of consumer items is accountable to less government inspection than cosmetics, including Defining Eyeshadow. While many of the chemicals in cosmetics likely present very little risk, your exposure to some has been linked to serious health problems, such as cancer.