HAIR CARE PRODUCTS (NON-COLORING)

Though the majority of chemicals in beauty products present limited or absolutely no threat, several dozen have been associated with considerable health issues, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter the body through ingestion, inhalation, and internal use, and pose similar problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer can be found in water, food, and a lot of other commonly used goods. Still, no category of consumer goods is subject to less government direction than cosmetics, including Shampoo. Though many of the chemicals and contaminants in cosmetics very likely present very little risk, being exposed to some has been associated with critical health concerns, including cancer.