HAIR CARE PRODUCTS (NON-COLORING)

Although the majority of chemicals in cosmetics pose minimal or zero threat, several dozen are linked with serious health conditions, including developmental delays and cancer. Chemicals in cosmetics get into a person's body through internal use, the skin, and inhalation, and pose similar dangers as food chemicals, per this site.

Chemicals and contaminants linked to cancer can be found in food and various other common goods. Still, no group of consumer goods is susceptible to less government direction than cosmetics, including Shampoo. While most of the chemicals in cosmetics in all likelihood pose very little risk, exposure to some has been linked to worrying health problems, including cancer.