HAIR CARE PRODUCTS (NON-COLORING)

While most chemicals in cosmetics pose little or zero threat, several have been associated to considerable health issues, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics get into the body through internal use, the skin, and inhalation, and cause the same dangers as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in water, food, and various other common items. Still, no classification of consumer items is subject to less government oversight than cosmetics, including Shiseido Extra Gentle Shampoo (For Normal to Oily Hair). Though many of the chemicals and contaminants in cosmetics and personal care products likely pose minimal risk, subjection to a few has been linked to major health conditions, such as cancer.