Hair extensions used primarily by Black women contain a “shocking” range of dangerous chemicals, including breast carcinogens, new research shows.By Liza GrossElissia Franklin is an analytical chemist with an infectious laugh, a penchant for braided hair extensions and a fierce commitment to reducing health disparities for Black women. Growing up on Chicago’s South Side, she saw firsthand the systemic barriers Black women face and resolved to help her community benefit from all she learned as she pursued her career as a chemist.
Observations from the Little Bunker
Last updated: February 24, 2026 10:22 PM
Atmospheric CO₂
429.9 ppm
+17.3
ppm/year
Atmospheric CH₄
1946.47 ppb
+6.49
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year