What Is In Hair Dye That Causes Cancer. 1 due to this high statistic it is important to understand whether hair dye can cause cancer or not. Studying exposure to hair dyes from decades ago may not be the same as studying current exposures.
The research studies that have been done so far have been contradictory and inconclusive. A study conducted by the international agency for research on cancer part of the world health organization concluded that occupational exposure to hair dye such as that experienced by a hairdresser or barber shows limited evidence in humans for the carcinogenicity or ability to cause cancer. Early hair dyes contained chemicals including some aromatic amines which were found in the late 1970s to cause cancer in lab animals so hair dye manufacturers changed some of the chemicals in their products.
The risk associated with hair dye seems to depend on the type of hair dye used as well the frequency of exposure according to the us national cancer institute there are three types of hair dyes.
In 2017 a rutgers university study found that using dark brown or black hair dyes was linked to a 51 percent increased risk of breast cancer among african americans and a 72 percent increased risk that the cancer would be estrogen receptor positive. Studying exposure to hair dyes from decades ago may not be the same as studying current exposures. Semi permanent colors do penetrate and stain the cuticle lasting up to six to 10 shampoos. There is over 33 percent of women over the age of 18 and 10 percent of men who are over the age of 40 are known to use hair dye frequently.