Hair dye and chemical relaxer can increase risk of developing breast cancer

Common hair treatments like relaxer and dye can increase the risk of breast cancer. There treatments increase the risk of developing breast cancer among white and black women.

Para-phenylenediamine PPD is a chemical found in dark hair dyes concentration, it is easily absorbed through the skin on the scalp and the hands.

Peroxide breaks the melanin in the shaft to lighten the hair and changes its colour, it can cause allergic reactions and irritates the skin and lungs. According to researchers, the chemicals may have negative impact on DNA

Experts asked more than 4,000 black and white women in the New Jersey and New York area their habits of dying, relaxing or using deep conditioning creams.

Researchers then examined the study participants' medical history to see if these products elevated the risk of breast cancer.

Black women who used dark hair dye had an overall 51 percent greater risk of the cancer. They also had a 72  percent increased risk of developing estrogen receptor positive breast cancer, which is the most common type of the disease.

White women who used chemical relaxers/straighteners had a 74 percent increase in risk. Black women have an
11 percent chance of developing the disease and white women have a 13 percent chance.

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