Hair Extensions Found to Contain Hazardous Chemicals, Posing Public Health Risks
A Silent Spring Institute study revealed alarming levels of hazardous chemicals, including carcinogens and endocrine disruptors, in 43 hair extension products. Utilizing advanced analysis, over 900 chemical signatures were detected, with only two products being genuinely non-toxic despite marketing claims. This poses significant public health risks, particularly for Black women who are disproportionate users, highlighting an urgent need for stricter regulations, ingredient transparency, and reformulation efforts in the rapidly growing hair extension market.
A groundbreaking study by the Silent Spring Institute has uncovered widespread hazardous chemicals in hair extension products, posing significant public health concerns. Researchers analyzed 43 diverse hair extension samples, employing advanced two-dimensional gas chromatography coupled with high-resolution mass spectrometry and machine learning to identify over 900 chemical signatures, leading to the detection of 169 distinct chemicals. These included known or suspected carcinogens, endocrine disruptors, developmental toxins, and immunotoxic agents such as flame retardants, phthalates, agricultural pesticides, and organotin chemicals.The study found only two products were free of hazardous chemicals, despite many bearing misleading “non-toxic” labels. Nearly half of the identified chemicals are listed on authoritative hazard inventories, including 12 recognized under California’s Proposition 65. The close contact of extensions with the scalp and neck facilitates dermal and inhalation exposure, exacerbated by heat styling. This issue disproportionately affects Black women, who constitute over 70% of hair extension users, raising critical environmental justice concerns. With the global hair extension market projected to exceed $14 billion by 2028, the findings underscore an urgent need for regulatory reform, comprehensive ingredient disclosure, and reformulation by manufacturers to prioritize consumer safety and address current systemic gaps in product oversight. Legislative efforts are underway at both state and federal levels to mandate transparency and empower regulatory bodies.