MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products pose little or no threat, dozens are linked to significant medical conditions, such as developmental delays and cancer. Cosmetic chemicals can enter your body through the skin and inhalation, and lead to the same problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food, water, and lots of other common products. Yet, no category of consumer products is susceptible to less government oversight than cosmetics and other personal care products, including Neutrogena Nourishing Brow Pencil. Though most of the chemicals in cosmetics and personal care products almost certainly present very little risk, subjection to some has been linked to serious health disorders, such as cancer.