February 2019 in “IP Indian journal of clinical and experimental dermatology” Continuous use of hair relaxers and curlers can cause hair loss, dryness, dandruff, thinning, greying, and split ends.
June 2024 in “Journal of Clinical Oncology” Frequent use of chemical hair relaxers may increase endometrial cancer risk in Black women.
June 2023 in “Journal of the American Academy of Dermatology” Chemical hair relaxers are not proven to cause uterine cancer.
January 2026 in “Psychoneuroendocrinology” Lye relaxers don't significantly change hair cortisol levels.
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May 2007 in “British Journal of Dermatology” Hair relaxers can cause lasting scalp damage and hair loss.