HAIR CARE PRODUCTS (NON-COLORING)

Although most chemicals in cosmetics present minimal or zero risk, some are linked with considerable medical problems, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics get into a person's body through the skin, inhalation, ingestion and internal use, and pose similar dangers as food chemicals, per this site.

Chemicals associated with cancer can be found in food, water, and several other commonly used products. Still, no type of consumer products is subject to less government direction than cosmetics, including Coal Tar Shampoo. While most of the contaminants and chemicals in cosmetics and personal care products most likely present minimal risk, being exposed to some has been associated with major health concerns, such as cancer.