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A 2026 study found toxic chemicals in over 80% of hair extension samples, with all but two containing harmful substances like lead and carcinogens.
A 2026 study found hazardous chemicals, including lead, carcinogens, and flame retardants, in over 80% of hair extension samples tested, with all but two containing toxic substances.
Research from Consumer Reports and the American Chemical Society highlights widespread contamination, particularly in human hair extensions, with some brands showing high levels of lead, cadmium, and VOCs.
Despite health risks like scalp burns and long-term toxicity, the industry remains largely unregulated, and many consumers and braiders remain unaware or unconcerned.
Experts urge stricter oversight and caution against relying on unverified safety claims.
Un estudio de 2026 encontró sustancias químicas tóxicas en más del 80% de las muestras de extensiones de cabello, con todas menos dos que contenían sustancias nocivas como plomo y carcinógenos.