5 Key Takeaways

• 1

  A survey of hair extensions revealed a variety of harmful chemicals linked to cancer and hormone disruption.

• 2

  Researchers analyzed 43 hair extension products using advanced mass spectrometry techniques to identify chemical compositions.

• 3

  The study found over 900 chemical signals, identifying 169 compounds, with 48 on major hazard lists like California's Proposition 65.

• 4

  Hazardous chemicals were present in both synthetic and human hair extensions, indicating fiber type does not predict chemical safety.

• 5

  The findings highlight health risks for users, particularly Black women, who face a choice between cultural expression and health.