HAIR CARE PRODUCTS (NON-COLORING)

While many chemicals in beauty products and cosmetics pose little or absolutely no threat, dozens have been linked to severe health problems, including neurological harm and cancer. Cosmetic chemicals invade a person's body through the skin, inhalation, ingestion and internal use, and pose similar problems as food chemicals, per this site.

Chemicals linked to cancer can be found in water, food, and several other commonly used items. Still, no classification of consumer items is susceptible to less government direction than cosmetics, including Coal Tar Shampoo. Although most of the chemicals in cosmetics and personal care products likely pose little risk, exposure to some has been linked to major health conditions, such as cancer.