HAIR COLORING PRODUCTS

Though many chemicals in beauty products pose limited or absolutely no threat, several dozen have been linked to significant medical problems, such as neurological harm and cancer. Chemicals in cosmetics get into a person's body through internal use, the skin, and inhalation, and cause the same dangers as food chemicals, per this site.

Chemicals associated with cancer are found in water, food, and lots of other common products. But, no classification of consumer products is subject to less government direction than cosmetics and other personal care products, including L'Oreal Brush-On Highlights. Although many of the contaminants and chemicals in cosmetics and personal care products probably pose little risk, being exposed to some is associated with serious health disorders, including cancer.