HAIR CARE PRODUCTS (NON-COLORING)

Although most chemicals in cosmetic products pose minimal or absolutely no threat, dozens have been associated with severe medical conditions, such as neurological harm and cancer. Cosmetic chemicals gain entry to a person's body through the skin, inhalation, ingestion and internal use, and lead to similar risks as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in food and a lot of other commonly used items. But, no area of consumer items is subject to less government direction than cosmetics and other personal care products, including Trolls shampoo. Although most of the contaminants and chemicals in cosmetics and personal care products likely present little risk, exposure to some is associated with critical health conditions, including cancer.