A recent study published by the National Institutes of Health (NIH) this week found that hair straightening products increase the risk of uterine cancer in women. The study involved 33,497 participants aged between 35-74 years in the United States.
After 11 years of data collection, 378 participants were diagnosed with uterine cancer. The commonality found is that they use hair straightening products more than four times a year. Researchers estimated that 1.64% of women who did not use hair straightening products were at risk of uterine cancer but increased to 4.05% if they did not use them.
Previously the NIH published a study of hair straightening and coloring products increasing the risk of breast and ovarian cancer in women. This is because of the use of parabens, bisphenol A, metals and formaldehyde in these products.
The research paper was published in the Journal of The National Cancer Institute.
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