MAKEUP PRODUCTS (NON-PERMANENT)

Though the majority of chemicals in cosmetics pose very little or no threat, dozens have been associated with substantial medical issues, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics invade a person's body through inhalation, ingestion, and the skin, and pose similar problems as food chemicals, per this site.

Chemicals and contaminants linked to cancer are found in food and lots of other commonly used items. However, no category of consumer items is accountable to less government inspection than cosmetics, including Lancome Le Crayon Khol Eyeliner. While most of the contaminants and chemicals in cosmetics probably pose very little risk, exposure to a few has been linked to serious health concerns, such as cancer.