HAIR CARE PRODUCTS (NON-COLORING)

While the majority of chemicals in beauty products and cosmetics pose hardly any or absolutely no risk, dozens have been linked to substantial medical problems, such as neurological harm and cancer. Cosmetic chemicals can enter the body through the skin, inhalation, ingestion and internal use, and pose similar dangers as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in food and a lot of other everyday items. But, no classification of consumer items is susceptible to less government management than cosmetics and other personal care products, including Trolls shampoo. Though many of the contaminants and chemicals in cosmetics likely present little risk, exposure to a few has been associated with serious health concerns, such as cancer.