"I prefer permanent hair color because it provides long-lasting ... Every specialist we spoke to agreed that you should look for non-toxic products that do not include large (or any) amounts ...

Women who regularly use permanent hair ... regular use of the hair dye for at least 15 years were more than three times as likely to develop bladder cancer as non-dye users, concluded the study.

Most of the studies examining a possible risk between hair dye and an increased risk of cancer have focused on specific cancers, such as: Bladder Non-Hodgkin lymphoma Leukemia Breast cancer These ...