Millions of people color their own hair, even though some of the chemicals in permanent hair dyes are considered possible carcinogens.
So, is home hair coloring safe?
According to a new study, the answer is a qualified yes.
After tracking cancer risk among more than 117,000 U.S. women for 36 years, the investigators found that personal use of permanent hair dyes was not associated with any increase in the risk of developing bladder, brain, colon, kidney, lung, blood or immune system cancer. Nor were these dyes linked to an uptick in most skin or breast cancers.
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