HAIR CARE PRODUCTS (NON-COLORING)

Though most chemicals in beauty products pose hardly any or zero danger, some are linked to considerable health problems, including cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals get into a person's body through inhalation, ingestion, and the skin, and pose similar risks as food chemicals, per this site.

Chemicals linked to cancer can be found in water, food, and many other everyday products. But, no classification of consumer products is susceptible to less government oversight than cosmetics and other personal products, including TRESemme 2 in 1 Shampoo. While many of the chemicals and contaminants in cosmetics almost certainly pose minimal risk, exposure to some has been linked to critical health problems, such as cancer.