HAIR CARE PRODUCTS (NON-COLORING)

While the majority of chemicals in cosmetic products pose hardly any or no danger, dozens are linked to severe medical problems, such as developmental delays and cancer. Cosmetic chemicals gain entry to a person's body through the skin, inhalation, ingestion and internal use, and pose similar dangers as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in food and several other common products. However, no classification of consumer products is subject to less government inspection than cosmetics and other personal products, including Avengers 2 in 1 Shampoo. While many of the contaminants and chemicals in cosmetics and personal care products very likely pose minimal risk, being exposed to a few is associated with serious health issues, including cancer.