Can Hair Dye Cause Cancer
According to the american cancer society permanent hair dyes contain colorless substances including aromatic amines and phenols that become dyes in the presence of hydrogen peroxide.
Can hair dye cause cancer. Researchers have been studying a possible link between hair dye use and cancer for many years. This includes cancer of the bladder brain colon kidney lung blood and the immune system. More than 33 percent of women over 18 and 10 percent of men over 40 use hair dye so the question of whether hair dye causes cancer is important.
Most varieties of skin cancer cutaneous squamous cell carcinoma and melanoma and breast cancer estrogen receptor positive progesterone receptor positive or hormone receptor positive are also unaffected by using hair dye. Permanent hair dyes that cause long lasting chemical changes in the hair shaft. Studies have looked most closely at the risks of blood cancers leukemias and lymphomas and bladder cancer.
According to the study black women who used permanent dyes at least every 5 8. While some studies have suggested possible links others have not. A chemical reaction occurs allowing the substance to permanently dye your hair.
Do hair dyes cause cancer. Specific compounds can cause cancer in rodents and cell studies. Over the years some epidemiologic population studies have found an increased risk of bladder cancer in hairdressers and barbers 2 6.
It is not known whether some of the chemicals still used in hair dyes can cause cancer. New research found that hair dyes and chemical straighteners might significantly increase the risk of breast cancer. Good news for hair dye.
The first line of evidence to suggest that hair dyes may cause cancer came from animal studies performed on mice and rats where.
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