Boston

Hazard Alert: Study Unmasks Toxic Chemicals in Hair Extensions Threatening Black Women's Health

AI Assisted Icon
Published on February 16, 2026
Hazard Alert: Study Unmasks Toxic Chemicals in Hair Extensions Threatening Black Women's HealthSource: Unsplash/ Giselle Lazcano

A recently published study by the Silent Spring Institute has exposed an alarming presence of hazardous chemicals in hair extensions, with potential health risks that are particularly concerning for Black women. The research, published in the American Chemical Society journal Environment & Health, detected 933 chemical signatures and 169 identified chemicals in 44 products. These chemicals, found in both synthetic and bio-based (including human hair) extensions, are linked to cancer, hormone disruption, and reproductive issues, raising red flags about the safety of these widely used beauty products.

The Silent Spring study sourced hair extension products through online retailers and beauty-supply stores, with researchers using non-targeted analysis for chemical detection. According to the study's lead author, Dr. Elissia Franklin, "What we didn’t expect was that the human hair would identify so many hazardous chemicals," she told the Boston Globe. Highlighting a gap in regulatory oversight, the study found that 91% of the tested products contained at least one chemical on major hazard lists, such as California’s Proposition 65, yet these harmful substances were seldom listed on the product's ingredient list.

Among the detected chemicals, the study found flame retardants, phthalates, organotins, and 17 chemicals related to breast cancer. Dr. Elissia Franklin explained the shock of finding toxic organotins, "These are commonly used as heat stabilizers in PVC and have been linked with skin irritation," the study reveals, as reported by WHDH. This concern is magnified by the frequent use of hair extensions by over 70 percent of Black women, compared with under 10 percent of women from other racial or ethnic groups, as per the Boston Globe.

In light of these findings, there is a push for stronger regulation at both the state and federal levels. New York has introduced legislation requiring full ingredient disclosure for synthetic braids and extensions, while New Jersey considers a bill to ban harmful chemicals in synthetic hair. Moreover, the Safer Beauty Bill Package, introduced in Congress, proposes the Food and Drug Administration regulate the safety of synthetic hair extensions. The layers of oversight, while far from sufficient, include the FDA's limited regulatory framework over cosmetics and the Consumer Product Safety Commission's role in regulating flammability risks for wigs and some synthetic hair under the Flammable Fabrics Act.

The study's implications suggest a pressing need for systemic change, including industry reform and more transparent ingredient disclosure. As Dr. Sandy Tsao, a dermatologist at Massachusetts General Hospital, indicated, "Hair products have been shown to have hormonal activity," emphasizing that the risks associated with chemical exposure from hair extensions and the need for further research on their long-term health effects, as noted by the Boston Globe.