What Is OEKO-TEX Certification? A Clear Guide to Textile Safety Labels

OEKO-TEX is one of the most recognizable textile certification systems in the world, but the label is often misunderstood. Some OEKO-TEX certifications focus on harmful-substance testing in finished textiles. Others look at production facilities, chemical inputs, traceability, organic cotton, leather, or company due diligence. If you are choosing clothing, bedding, towels, or ready-made microfiber cloths, the important question is not only “Is it OEKO-TEX certified?” but also “Which OEKO-TEX label does it carry, is the certificate still valid, and what does that label actually prove?”

Key takeaways

• OEKO-TEX® STANDARD 100 is mainly a textile safety label. It means the certified textile article has been tested for harmful substances against OEKO-TEX criteria, from yarn to finished product where relevant.
• Certificates can expire. OEKO-TEX® STANDARD 100 certificates are issued for 12 months, so buyers should check the current validity through the OEKO-TEX® Label Check or official directory.
• Not every OEKO-TEX label means the same thing. STeP focuses on production facilities, MADE IN GREEN combines product safety with STeP-certified production and traceability, and other labels cover organic cotton, leather, chemicals, or due diligence.
• For microfiber cloths, certification is a trust signal, not a performance score. It supports textile safety, but you still need product details such as GSM, size, weave, edge design, absorbency, and the intended cleaning surface.

What Is OEKO-TEX?

OEKO-TEX is an independent certification system for the textile and leather industry. It was founded in 1992 and is best known for OEKO-TEX® STANDARD 100, the label many shoppers see on clothing, bedding, towels, and cleaning textiles.

The simple version is this: OEKO-TEX helps brands, manufacturers, and consumers verify specific safety or responsibility claims in textiles. The exact meaning depends on the certification. A product label can tell you something different from a facility certification, and a chemical-input certification is not the same as a finished-product label.

OEKO-TEX is not a self-declared brand badge. The organization says it consists of 17 independent textile and leather testing institutes in Europe and Japan, with offices in more than 70 countries, and that its institutes conduct laboratory tests and company audits according to global guidelines. STANDARD 100 also aligns with major regulatory references such as EU REACH, CPSIA, and the ECHA SVHC candidate list.

Which OEKO-TEX Certification Means What?

The official OEKO-TEX standards overview lists several labels and certifications. The most useful way to understand them is by scope: product, facility, chemical input, material origin, or company management.

OEKO-TEX® STANDARD 100: The Label Most Consumers See

For everyday textile products, OEKO-TEX® STANDARD 100 is usually the most relevant label. OEKO-TEX describes it as a label for textiles tested for harmful substances and explains that certified items are checked from yarn to finished product. Components such as sewing thread, buttons, zippers, prints, coatings, and accessories can be part of the testing where they are relevant to the article.

That distinction matters. A microfiber cloth, towel, T-shirt, or pillowcase is not made from one single substance. It can include fibers, dyes, stitching, labels, edge materials, and finishing treatments. STANDARD 100 is designed to assess the finished textile article and its relevant components against defined limit values.

What STANDARD 100 Does Well

• Harmful-substance testing: OEKO-TEX says STANDARD 100 tests against a list of over 1,000 harmful substances.
• Component-level thinking: Testing can include threads, buttons, zippers, prints, and other accessories where they are part of the certified article.
• Skin-contact logic: The more intensive the skin contact, the stricter the human ecology requirements and laboratory tests.
• Annual criteria review: OEKO-TEX states that limit values are reviewed at least once a year.
• 12-month validity: OEKO-TEX® STANDARD 100 certificates are issued for 12 months, so a label should be checked for current validity rather than treated as permanent.

Examples of Substances STANDARD 100 Can Cover

The exact test plan depends on the material, component, product class, and current OEKO-TEX criteria, but STANDARD 100 is designed around practical harmful-substance risks in textiles. Examples can include formaldehyde, banned azo colourants and aromatic amines, heavy metals such as lead, cadmium, or nickel, pesticides, phthalates in printed or coated components, chlorinated phenols, allergenic dyes, skin-relevant pH, and fluorinated substances such as PFAS/PFCs where they are relevant to the material or finish.

PFAS matters because it is not only a textile question. Fluorinated chemistry can also appear in water-, oil-, grease-, and stain-repellent surface products. For a broader explanation, see GoGoNano’s guide to PFAS-free cleaning products and surface protection.

STANDARD 100 Product Classes

OEKO-TEX® STANDARD 100 uses four product classes based on how the textile will be used. This is important because a baby blanket, a T-shirt, a jacket, and a decorative curtain do not carry the same skin-contact risk.

Does OEKO-TEX Mean Sustainable?

This is where many articles become too vague. OEKO-TEX is connected to textile safety and sustainability, but the exact claim depends on the label. OEKO-TEX® STANDARD 100 is primarily about harmful-substance testing in textiles. It does not, by itself, prove that a product was made in a low-impact factory, that workers were audited, or that the fiber is organic or recycled.

For production responsibility, the more relevant OEKO-TEX certification is OEKO-TEX® STeP. STeP evaluates production facilities across modules such as chemical management, environmental performance, social responsibility, quality management, and health and safety.

For a consumer-facing product label that connects safety, responsible production, and traceability, look at OEKO-TEX® MADE IN GREEN. MADE IN GREEN is built on other OEKO-TEX requirements: the product must be certified according to STANDARD 100, ORGANIC COTTON, or LEATHER STANDARD, all making-up facilities must be STeP certified, and supply-chain information is connected through a product ID or QR code.

What OEKO-TEX Does Not Tell You

Certification is useful, but it should not be asked to do every job. OEKO-TEX® STANDARD 100 does not tell you how well a cloth absorbs water, whether a towel will stay fluffy, whether a fabric will last for years, or whether a microfiber cloth is best for glass, screens, floors, or car drying.

For ready-made microfiber cloths, check the certification alongside practical product specifications. For GSM, material blend, weave, texture, edge design, and choosing a cloth by surface, use our guide to choosing the right microfiber cloth. For heat, bleach, fabric softener, detergent residue, and washing routines, use the microfiber washing guide.

STANDARD 100 also does not measure microfiber shedding or microplastic release during washing. That is a separate environmental and care question. It does not make the certification less useful; it simply means chemical safety, cleaning performance, durability, and fiber shedding should be considered as different parts of the buying decision.

How to Check an OEKO-TEX Claim

If you have a product label or certificate number, the strongest verification route is the OEKO-TEX® Label Check. OEKO-TEX says you can scan the QR code on the label or enter the certificate number to check the validity of the certified product. This matters because STANDARD 100 certificates are issued for 12 months and must be renewed to remain current.

When checking a label, look for the exact OEKO-TEX standard, the certificate or label number, the product scope, the product class if shown, and the validity status. A product can have a real OEKO-TEX history but still need current validation if the certificate has lapsed.

If you are looking for certified brands or retailers rather than checking a specific number, use the official OEKO-TEX® Directory. GoGoNano is listed in the directory, which is the most practical public reference for this article because we are not listing a separate certificate number here.

Why OEKO-TEX Matters for Microfiber Cloths

Microfiber cloths are used close to hands, kitchen areas, bathroom surfaces, screens, car interiors, and other places people touch every day. That makes textile safety a practical concern, not just a nice label on a package.

OEKO-TEX® STANDARD 100 is useful here because it supports the claim that the textile has been tested for harmful substances under a recognized system. It is especially relevant for ready-made microfiber cloths that customers use repeatedly, wash regularly, and handle directly.

At the same time, microfiber performance still depends on the cloth itself. A certified cloth can still be too thick for glass, too light for drying, or the wrong weave for delicate screens. The best buying decision combines both sides: trusted textile safety and the right cloth specification for the job.

OEKO-TEX vs GOTS: What Is the Difference?

OEKO-TEX and GOTS are both important textile standards, but they answer different questions. OEKO-TEX® STANDARD 100 asks whether a textile article has been tested for harmful substances. GOTS, the Global Organic Textile Standard, is focused on organic textile products and covers the path from raw materials through environmentally and socially responsible manufacturing to labelling.

The difference is easiest to remember this way: OEKO-TEX® STANDARD 100 can apply to textiles made from organic or conventional materials, while GOTS is about textiles made with certified organic fibers and processed under GOTS requirements. GOTS also has label grades: the GOTS label-grade page explains that “Organic” products contain at least 95% certified organic fibers, while “Made with Organic materials” indicates at least 70% and up to 95% certified organic fibers.

OEKO-TEX® STANDARD 100 Certified GoGoNano Microfiber Cloths

GoGoNano provides ready-made microfiber cloths for everyday cleaning tasks, and GoGoNano microfiber cloths carry OEKO-TEX® STANDARD 100 certification. For customers, that is a useful trust signal because the cloths are handled directly and used around the home, office, car, and other frequently touched surfaces.

Because we are not publishing a separate certificate number on this article page, the most practical public verification route is the official OEKO-TEX® Directory. For individual purchasing decisions, the product label or seller documentation should be used to confirm the current validity and product scope.

The most balanced way to think about it is this: OEKO-TEX® STANDARD 100 supports the textile safety side of the decision, while GoGoNano’s product details help you choose the right cloth for the cleaning job. A glass cloth, a general-purpose microfiber cloth, and a thicker drying cloth should be chosen by use case, not by certification alone.

Browse GoGoNano Microfiber Cloths

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Floor Mops & Cloths

Durable Quadri Floor Cloth, 40 x 80 cm

Rated 5 out of 5

(4) 5.95 € – 49.90 €Price range: 5.95 € through 49.90 €

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General Cleaning Cloths

Microfibre Cloth Laser Polish Super Soft, 40 x 40 cm

Rated 4.88 out of 5

(17) 3.79 € – 32.90 €Price range: 3.79 € through 32.90 €

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-25%

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General Cleaning Cloths

Microfiber Terry Cloth “Tricot Luxe”, 40 x 40 cm

Rated 5 out of 5

(2) 2.95 € – 32.90 €Price range: 2.95 € through 32.90 €

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Kitchen Cloths

Microfiber Kitchen Tea Towel, 40 x 75 cm

Rated 4.96 out of 5

(27) 4.95 €

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-11%

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Glass Cloths

Microfiber Glass & Window Cleaning Cloth Top Silk, 50 x 70 cm

Rated 4.8 out of 5

(5) 7.95 €

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-20%

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Kitchen Cloths

Microfiber Glass Cloth Top Dry, 50 x 70 cm

Rated 5 out of 5

(3) 9.95 € Original price was: 9.95 €.7.95 €Current price is: 7.95 €.

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Glass Cloths

Polyurethane Coated Microfiber Cloth, 37 x 37 cm

3.95 € – 16.95 €Price range: 3.95 € through 16.95 €

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Glass Cloths

Glass Cleaning Cloth Wave Gold, 36 x 36 cm

Rated 4.88 out of 5

(24) 4.95 € – 44.90 €Price range: 4.95 € through 44.90 €

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FAQ About OEKO-TEX Certifications