HAIR CARE PRODUCTS (NON-COLORING)

While most chemicals in cosmetic products present hardly any or absolutely no danger, dozens have been linked to serious health problems, including cancer, and neurological harm. Cosmetic chemicals can enter a person's body through inhalation, ingestion, and the skin, and pose the same problems as food chemicals, per this site.

Chemicals linked to cancer are found in food and a lot of other commonly used products. Yet, no area of consumer products is subject to less government direction than cosmetics, including Trolls shampoo. While many of the chemicals and contaminants in cosmetics and personal care products in all likelihood pose little risk, exposure to some is linked to critical health problems, including cancer.