HAIR CARE PRODUCTS (NON-COLORING)

While many chemicals in beauty products and cosmetics pose hardly any or zero risk, several dozen are linked to serious medical problems, such as developmental delays and cancer. Chemicals in cosmetics invade a person's body through internal use, the skin, and inhalation, and lead to the same dangers as food chemicals, per this site.

Chemicals associated with cancer can be found in water, food, and several other ordinary goods. However, no category of consumer goods is accountable to less government oversight than cosmetics and other personal care products, including Wella Color Preserve Hydrating Conditioner. Though many of the contaminants and chemicals in cosmetics likely pose little risk, exposure to some has been associated with major health disorders, including cancer.