HAIR CARE PRODUCTS (NON-COLORING)

While many chemicals in beauty products and cosmetics pose hardly any or zero danger, several dozen have been associated with significant medical problems, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter the body through the skin, inhalation, ingestion and internal use, and lead to the same dangers as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in food and many other commonly used items. However, no kind of consumer items is accountable to less government direction than cosmetics, including Coal Tar Shampoo. Though many of the contaminants and chemicals in cosmetics probably present little risk, being exposed to some has been associated with worrying health conditions, such as cancer.