HAIR CARE PRODUCTS (NON-COLORING)

Though most chemicals in cosmetic products pose limited or zero threat, some have been linked to serious medical issues, such as cancer, and neurological harm. Cosmetic chemicals invade the body through internal use, the skin, and inhalation, and cause similar problems as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food, water, and many other ordinary products. However, no area of consumer products is susceptible to less government direction than cosmetics, including TRESemme Keratin Smooth Shampoo. While most of the contaminants and chemicals in cosmetics and personal care products most likely present little risk, subjection to a few has been linked to worrying health concerns, including cancer.