The industry maintains that "hair dyes are one of the most thoroughly studied consumer products on the market today" and they're safe. However, there is a growing body of scientific evidence pointing to an increased risk of bladder cancer and non-Hodgkin's lymphoma associated with the use of permanent hair dyes, especially the darker colors.
Here are some facts about hair dyes reported in "Shades of Risk," by Shelley Page:
"A study published in the January/February 2005 issue of Public Health Reports, the official journal of the U.S. Public Health Service, found that the use of permanent hair dyes among men and women increases the risk of developing bladder cancer by up to 50 per cent compared to those who don't use hair dye."
More next time...
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