HAIR CARE PRODUCTS (NON-COLORING)

While most chemicals in cosmetics pose minimal or no danger, several dozen have been linked to severe medical problems, including cancer, reproductive and neurological harm, and developmental delays. Cosmetic chemicals invade the body through inhalation, the skin, and ingestion, and pose the same problems as food chemicals, per this site.

Chemicals and contaminants linked to cancer can be found in food and several other commonly used products. However, no category of consumer products is subject to less government management than cosmetics and other personal products, including Wella Color Preserve Hydrating Conditioner. While many of the chemicals and contaminants in cosmetics probably pose very little risk, subjection to a few is linked to major health issues, including cancer.