HAIR CARE PRODUCTS (NON-COLORING)

While the majority of chemicals in beauty products present limited or zero risk, some are linked to significant medical problems, such as developmental delays and cancer. Cosmetic chemicals enter a person's body through the skin, inhalation, ingestion and internal use, and cause similar problems as food chemicals, per this site.

Contaminants and chemicals associated with cancer are found in water, food, and several other ordinary goods. However, no area of consumer goods is subject to less government management than cosmetics, including Coal Tar Shampoo. Though most of the chemicals and contaminants in cosmetics most likely pose minimal risk, being exposed to a few has been associated with substantial health conditions, including cancer.