HAIR CARE PRODUCTS (NON-COLORING)

While the majority of chemicals in beauty products pose hardly any or no risk, dozens have been linked to significant health conditions, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics enter a person's body through the skin and inhalation, and cause the same dangers as food chemicals, per this site.

Chemicals linked to cancer are found in food, water, and several other commonly used items. Still, no area of consumer items is susceptible to less government oversight than cosmetics, including Coal Tar Shampoo. Although many of the chemicals in cosmetics and personal care products probably present minimal risk, exposure to a few is linked to major health problems, including cancer.