HAIR CARE PRODUCTS (NON-COLORING)

While most chemicals in cosmetics pose slight or absolutely no risk, some have been linked with considerable medical problems, including developmental delays and cancer. Cosmetic chemicals can enter a person's body through the skin and inhalation, and cause the same problems as food chemicals, per this site.

Chemicals and contaminants linked to cancer can be found in food and a lot of other common products. Still, no classification of consumer products is susceptible to less government oversight than cosmetics and other personal care products, including Sunsilk Thermashine Shampoo. Though many of the contaminants and chemicals in cosmetics probably present minimal risk, exposure to some has been linked to critical health problems, including cancer.