HAIR CARE PRODUCTS (NON-COLORING)

Although many chemicals in beauty products pose minimal or no threat, several dozen are associated with serious medical problems, such as developmental delays and cancer. Cosmetic chemicals enter a person's body through ingestion, inhalation, and internal use, and pose similar problems as food chemicals, per this site.

Chemicals associated with cancer are found in water, food, and various other ordinary products. However, no kind of consumer products is subject to less government oversight than cosmetics, including CHI Curl Preserve System Leave-In Conditioner. While most of the chemicals in cosmetics and personal care products almost certainly pose very little risk, exposure to a few is associated with worrying health disorders, such as cancer.