The Complete Guide to OEKO-TEX Certification for Sustainable Fabrics

When shopping for eco-friendly fabrics, certification labels provide crucial assurance that a product meets rigorous safety and environmental standards. Among the most recognized and trusted textile certifications worldwide is the OEKO-TEX system. Understanding what these certifications mean helps consumers and manufacturers make informed choices.

What is OEKO-TEX?

OEKO-TEX is an independent international testing and certification system established in 1992 by the Austrian and German textile research institutes. It comprises several certification standards that address different aspects of textile production, from harmful substance testing to sustainable manufacturing practices. Each certification level serves a specific purpose in the supply chain.

STANDARD 100 by OEKO-TEX

The most widely recognized OEKO-TEX certification, STANDARD 100, tests every component of a textile product for harmful substances. This includes fabrics, threads, buttons, zippers, and coatings. Testing covers over 100 parameters including illegal substances, legally regulated chemicals, and parameters known to be harmful to health even when not legally regulated. Products certified STANDARD 100 are classified into four product classes based on skin contact, with Class I for baby products having the strictest requirements.

STeP by OEKO-TEX

Sustainable Textile Production (STeP) certification evaluates the environmental performance and social responsibility of manufacturing facilities. It assesses six key areas: chemical management, environmental management, environmental performance, social responsibility, quality management, and health and safety. STeP certification is particularly relevant for brands seeking to verify their entire production chain meets sustainability benchmarks.

MADE IN GREEN by OEKO-TEX

The MADE IN GREEN label combines STANDARD 100 and STeP certifications, providing consumers with a transparent label they can trust. Products bearing this label are tested for harmful substances, manufactured sustainably, and produced under safe and socially responsible working conditions. Each product has a unique ID and QR code allowing consumers to trace its supply chain.

OEKO-TEX and Sustainable Fabrics

Sustainable fabrics like Tencel Lyocell, Modal, and Cupro commonly carry OEKO-TEX certifications because their production processes naturally align with OEKO-TEX standards. The closed-loop manufacturing of Tencel Lyocell, for example, uses non-toxic solvents and produces minimal chemical waste, making it well-suited for STANDARD 100 and STeP certification.

How to Verify Certifications

Consumers can verify OEKO-TEX certifications using the official label check app or by entering the license number on the OEKO-TEX website. Always look for the certification label on product packaging or tags. Be wary of brands that claim OEKO-TEX compliance without providing verifiable certification numbers. Genuine certification demonstrates a manufacturer's commitment to transparency and product safety.

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