HAIR CARE PRODUCTS (NON-COLORING)

While the majority of chemicals in cosmetics pose hardly any or no risk, several dozen have been linked to substantial health conditions, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics get into the body through the skin and inhalation, and cause the same problems as food chemicals, per this site.

Chemicals linked to cancer are found in food, water, and lots of other commonly used products. However, no classification of consumer products is subject to less government inspection than cosmetics and other personal care products, including Professional System Heat Protect & Shine Spray. Though many of the chemicals in cosmetics and personal care products probably pose very little risk, exposure to some is linked to worrying health issues, including cancer.