OEKO‑TEX®, the global textile certification authority, is set to enforce stricter chemical regulations across its key certification programs starting June 1, 2026, marking a significant shift for the textile and apparel industry worldwide. The 2026 update affects OEKO‑TEX® STANDARD 100, ORGANIC COTTON, and ECO PASSPORT certifications, tightening chemical limits, expanding the list of restricted substances, and strengthening traceability requirements for manufacturers and suppliers.
Under the new standards, per‑ and polyfluoroalkyl substances (PFAS) are capped at 25 micrograms per kilogram per individual compound, with a total sum limit of 250 micrograms per kilogram. Bisphenols B, F, and S will face a fivefold reduction in allowable thresholds, with limits set at 200 milligrams per kilogram, compared with 1,000 milligrams in the previous 2025 standards. The updates also introduce additional substances of very high concern (SVHC), including DBDPE and Dechlorane Plus, each restricted to 1,000 milligrams per kilogram.
OEKO‑TEX® has also expanded requirements for product traceability and process verification. Wet-processing steps such as dyeing, washing, and printing must now be certified for STANDARD 100 and ORGANIC COTTON renewals, while certificates from upstream suppliers must come directly from the suppliers involved, rather than second-tier sources. Additionally, ECO PASSPORT chemicals must now provide verified biodegradability evidence, either through accredited third-party testing or recognized industry standards, reinforcing the sustainability commitments of certified products.
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Analysts suggest that the tighter chemical limits reflect broader industry and regulatory trends, particularly in response to increasing European Union restrictions on hazardous substances and growing consumer demand for safer, sustainable textiles. “These updates position OEKO‑TEX® as a proactive leader in chemical safety,” said a spokesperson from one leading textile consultancy. “Producers will need to invest in testing and supplier audits to maintain compliance, but the move ultimately strengthens market confidence in certified products.”
The OEKO‑TEX® 2026 regulations follow a three-month transition period and will officially take effect on June 1. Manufacturers, suppliers, and brands worldwide are urged to review the updated chemical limit tables and traceability requirements to ensure uninterrupted certification and market access. The new standards are expected to have a broad impact, particularly on apparel, home textiles, and technical fabrics that require strict chemical management.
With these changes, OEKO‑TEX® reinforces its commitment to product safety, environmental responsibility, and sustainable practices, signaling a notable evolution in global textile certification standards.




