HAIR CARE PRODUCTS (NON-COLORING)

While most chemicals in cosmetic products present hardly any or no danger, several dozen have been linked with serious medical conditions, such as cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals can enter a person's body through the skin and inhalation, and pose similar risks as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in water, food, and many other common items. Yet, no category of consumer items is susceptible to less government oversight than cosmetics, including Clarifying shampoo. Though many of the chemicals and contaminants in cosmetics and personal care products almost certainly pose very little risk, subjection to some has been linked to critical health issues, including cancer.