HAIR CARE PRODUCTS (NON-COLORING)

Although most chemicals in cosmetics pose minimal or no threat, some are linked with significant medical issues, such as neurological harm and cancer. Cosmetic chemicals can enter a person's body through internal use, the skin, and inhalation, and lead to the same problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in water, food, and a lot of other commonly used items. But, no group of consumer items is susceptible to less government oversight than cosmetics, including balancing shampoo. Though many of the chemicals in cosmetics almost certainly pose very little risk, being exposed to some has been associated with significant health concerns, including cancer.