HAIR CARE PRODUCTS (NON-COLORING)

While the majority of chemicals in beauty products pose limited or zero risk, several have been associated with serious medical problems, such as developmental delays and cancer. Cosmetic chemicals get into the body through the skin and inhalation, and pose similar risks as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in food, water, and a lot of other everyday goods. However, no kind of consumer goods is subject to less government direction than cosmetics, including Keratin Leave-In Conditioner. Although many of the chemicals and contaminants in cosmetics and personal care products in all likelihood present little risk, exposure to a few has been associated with serious health concerns, including cancer.