Are hair coloring products likely to cause cancers?
Although some studies1 have suggested that some hair coloring products may increase risks of cancer, no causal link between the use of hair colorants products and cancer has been demonstrated. Infact, several recent analyses, including a rigorous review of 79 studies conducted in 11 countries over the last 40 years, find no association between hair coloring products and an increased risk of any type of cancer1, 2.
