Study: Hair Extensions Contain Dozens of Carcinogens
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A Silent Spring Institute study identified 48 chemicals of public health concern in hair extension, including 12 flagged under California's Proposition 65 as likely to cause cancer or reproductive harm.
Key Points
- A Silent Spring Institute study identified 48 chemicals of public health concern in hair extension, including 12 flagged under California's Proposition 65 as likely to cause cancer or reproductive harm.
- A new report found more than 90% of hair extensions that were tested contained hazardous substances.
- The popular accessories can include flame retardants, phthalates, and other substances linked with c...
- Recent research has found that hair extensions may contain cancer-causing chemicals, even the ones that are labeled "nontoxic."
Perspective Summary
- abc 7 NY: A new report found more than 90% of hair extensions that were tested contained hazardous substances.
- WCVB: Hazardous chemicals in popular hair extension products are raising concerns about the health risks tied to a largely unregulated part of the beauty industry that disproportionately affects Black women.
- Healthline: Recent research has found that hair extensions may contain cancer-causing chemicals, even the ones that are labeled "nontoxic."
Timeline
- Initial coverage published
- Study: Hair Extensions Contain Dozens of Carcinogens
- Feb 13, 2026, 5:42 AM
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Hair extensions — a styling staple for millions of women, particularly women of color — may contain far more potentially harmful chemicals than researchers once realized
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Scientists have issued an urgent warning regarding hair extensions, revealing that many popular products contain dozens of potentially cancer-causing chemicals
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A new report found more than 90% of hair extensions that were tested contained hazardous substances
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Hazardous chemicals in popular hair extension products are raising concerns about the health risks tied to a largely unregulated part of the beauty industry that disproportionately affects Black women
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A new study discovers hair extensions predominatly used by Black communities have more chemicals linked to illness and cancer than previous studies identified
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
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The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
centerNot rated
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers
The popular accessories can include flame retardants, phthalates, and other substances linked with cancer and other dangers.
UnclassifiedNot rated
(Photo by Lorena Villarreal via Pexels) By Stephen Beech Hair extensions contain far more dangerous chemicals than previously thought, reveals new research
(Photo by Lorena Villarreal via Pexels) By Stephen Beech Hair extensions contain far more dangerous chemicals than previously thought, reveals new research. The popular accessories can include flame retardants, phthalates, and other substances linked with c...
