MAKEUP PRODUCTS (NON-PERMANENT)

Although the majority of chemicals in cosmetic products present little or absolutely no danger, several dozen have been associated to severe medical conditions, including neurological harm and cancer. Cosmetic chemicals can enter a person's body through internal use, the skin, and inhalation, and cause similar problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer are found in food and several other commonly used goods. However, no area of consumer goods is susceptible to less government oversight than cosmetics, including Le Crayon Sourcils Precision Brow Definer. Though many of the chemicals in cosmetics and personal care products most likely pose little risk, being exposed to a few is associated with worrying health conditions, including cancer.