HAIR CARE PRODUCTS (NON-COLORING)

Although most chemicals in beauty products pose very little or no threat, dozens have been linked with substantial health issues, including neurological harm and cancer. Chemicals in cosmetics get into a person's body through internal use, the skin, and inhalation, and cause the same risks as food chemicals, per this site.

Chemicals linked to cancer are found in food and a lot of other commonly used products. Still, no classification of consumer products is susceptible to less government management than cosmetics, including Coal Tar Shampoo. While many of the chemicals in cosmetics almost certainly present very little risk, being exposed to some has been linked to worrying health problems, including cancer.