25-Year-Long Study of Black Women Links Frequent Use of Lye-Based Hair Relaxers to a Higher Risk of Breast Cancer

July 15, 2021

(PBS) – Frequent and long-term use of lye-based hair straightening products, or relaxers, may increase the risk of breast cancer among Black women, compared with more moderate use. Boston University’s Black Women’s Health Study followed 59,000 self-identified African American women for over 25 years, sending questionnaires every two years on new diagnoses and factors that might influence their health.  (Read Full Article)