Breast Cancer Risk Hair Dye

That the more or less use of hair dyes and chemical straighteners is associated with a higher risk of breast cancer.

Breast cancer risk hair dye. Among african american women using permanent dyes every five to eight weeks or more was associated with a 60 increased risk of breast cancer as compared with an 8 increased risk for white women. The use of permanent dyes every 5 to 8 weeks or more was associated with a 60 percent increased risk of breast cancer for black women. An analysis of data pooled from 17 studies of personal hair dye use found no evidence of an increased risk of bladder cancer however some recent studies have suggested an increased risk of bladder cancer associated with the use of permanent hair dyes 12 14 whereas other studies have not.

On the basis of these data and previous findings it appears unlikely that the use of permanent hair dyes causes any important increase in risk of breast cancer. The risk of breast cancer did not increase with more frequent use longer duration of use or interval since first use. New studies on hair dye and breast cancer risk a study published on december 3rd in the international journal of cancer reports.

Hair dye and breast cancer risk.