HAIR CARE PRODUCTS (NON-COLORING)

Although many chemicals in cosmetics pose limited or absolutely no threat, several dozen are associated to serious medical problems, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter a person's body through inhalation, ingestion, and the skin, and pose the same risks as food chemicals, per this site.

Chemicals and contaminants linked to cancer are found in water, food, and lots of other commonly used products. But, no area of consumer products is subject to less government oversight than cosmetics, including relaxer neutralizing shampoo. While most of the chemicals in cosmetics and personal care products in all likelihood pose little risk, exposure to some has been linked to serious health problems, such as cancer.