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Creating trust within the textile and leather industry and for its customers is the mission of OEKO-TEX®. Since trust is based on consistently high quality, the OEKO-TEX® Association is again publishing updates to the applicable test criteria, limit values and guidelines for its certifications.

Based on new scientific findings and legal developments, the OEKO-TEX® Association has published the annual updates to its test criteria, limit values and guidelines. With one exception, the new regulations will come into force on April 1, 2024, after the regular transition period. For the ban on intentional use of PFAS, a new limit value for total fluorine (TF) is effective as of January 1, 2024, replacing the previous parameter for extractable organic fluorine (EOF). Other criteria for foam, microplastics, GMOs and SVHC alignment have been added.

PFAS - New limit value for the total fluorine content

With the widespread use of PFAS and potential impact on human health and the environment, rapid adjustments are required. OEKO-TEX® has replaced the extractable organic fluorine (EOF) method with total fluorine. The new limit value of 100 mg/kg affects OEKO-TEX® STANDARD 100, ECO PASSPORT, LEATHER STANDARD and ORGANIC COTTON as of January 1, 2024. This update enables all OEKO-TEX® certifications to remain compliant with the U.S. regulations on PFAS.

OEKO-TEX® STeP: Avoiding release of microplastics

The updated OEKO-TEX® STeP standard will require certified production facilities to mitigate and prevent the release of microplastics from manufacturing processes through active risk identification and management. Microplastics (synthetic fibres less than five millimetres in length) pollution threatens aquatic ecosystems, marine organisms and human health. Microplastics can be released from textiles and clothing during both laundering and production. By addressing the complex challenges posed by microplastics at every stage of the production process, the STeP standard aims to foster a harmonious collaboration between industrial practices and environmental preservation and support and create a call to action for STeP certified facilities.

OEKO-TEX® STeP: Further cooperation with ZDHC

OEKO-TEX® and ZDHC (Zero Discharge of Hazardous Chemicals Program) continue to increase their collaboration. In 2024, OEKO-TEX® STeP certified companies will receive new discounts for the ZDHC Supplier to Zero Program:

  • ZDHC Foundation Level (Level 1) - Fee waived for STeP certified facilities
  • ZDHC Progressive Level (Level 2) - 50% discount for STeP certified facilities

Certified STeP companies wishing to participate should contact their OEKO-TEX® testing institute.

OEKO-TEX® LEATHER STANDARD: Traceability of leather materials

In line with the new European Union (EU) regulation on deforestation-free supply chains, the OEKO-TEX® LEATHER STANDARD will increase emphasis on the traceability of leather materials and require proof of origin for materials. Worldwide, an area larger than the EU has been deforested over the last three decades. The EU Deforestation-free Regulation (EUDR) (Regulation (EU) 2023/1115), adopted in summer 2023, includes strict due diligence obligations for companies placing certain raw materials and products on - or exporting from - the European market.

OEKO-TEX® ORGANIC COTTON: Adjustment of the limit values for genetically modified cotton

The OEKO-TEX® ORGANIC COTTON certification is aimed at reliable labelling of organic cotton textiles. After qualitative DNA analysis determines if a sample contains genetically modified cotton, quantification shows the proportion of genetically modified cotton. In addition to testing for harmful substances, OEKO-TEX® ORGANIC COTTON will require less than five percent genetically modified material, a decrease from the previous limit of ten percent. The new limit value still accounts for unavoidable impurities.

Updates in the limit value catalogues

New substances of very high concern (SVHC) were added to the limit value catalogues for the STANDARD 100 (Annex 4 and 6), LEATHER STANDARD, ORGANIC COTTON and ECO PASSPORT certifications. For example, Bis(4-chlorophenyl) sulphone and the solvent 1,4-dioxane can have serious effects on human health and the environment.

The new regulations 2024 for OEKO-TEX® standards are available in detail at www.oeko-tex.com/news.

In addition, OEKO-TEX® will explain the changes in a public webinar on 16 January 2024. Register at oeko-tex.com.


For more than 30 years, OEKO-TEX® has offered standardized solutions that companies in the textile and leather industry can use to transparently and sustainably optimize their manufacturing processes. Based on scientific principles, OEKO-TEX® contributes to bringing high-quality, safe and sustainable products to the market. 21,000 manufacturers, brands and trading companies, in more than 100 countries are currently working with OEKO-TEX®. At the same time, millions of consumers around the world use the OEKO-TEX® labels as a guide for their responsible purchasing decisions. Products and suppliers certified by OEKO-TEX® can be found in the online OEKO-TEX® buying guide at https://www.oeko-tex.com/en/buying-guide. Follow OEKO-TEX® on Facebook, Instagram, LinkedIn and WeChat.