Fabric labels contain many safety, environmental and sustainability claims, and it is not always easy to understand what each one means. When a textile is described as OEKO‑TEX® STANDARD 100 certified, shoppers can use the official OEKO‑TEX® Label Check to confirm whether the certification is valid and what products it covers.
Taking a few minutes to verify a certification claim can help you make a better-informed purchase—especially when choosing fabric for clothing, bedding, baby items or other projects that will have frequent contact with the skin.
What Does OEKO‑TEX® STANDARD 100 Mean?
OEKO‑TEX® STANDARD 100 is an independent certification for textiles tested for harmful substances. Its testing criteria cover more than 1,000 substances, including substances that are regulated by law as well as others that OEKO‑TEX® considers potentially harmful.
For a finished textile article to qualify, all of its components must meet the applicable requirements. Depending on the product, this may include the main fabric, sewing thread, buttons, zippers, prints, coatings and other accessories.
The standard uses four product classes based on a textile's intended use:
- Product Class I: Products for babies and children up to three years old. This class has the strictest requirements and limit values.
- Product Class II: Products with direct skin contact, such as clothing, underwear and bedding.
- Product Class III: Products without direct skin contact, such as certain jackets and outer layers.
- Product Class IV: Home textiles and decorative materials, such as curtains and upholstery fabrics.
The more intensive the skin contact and the more sensitive the intended user, the stricter the applicable requirements.
OEKO‑TEX® Does Not Automatically Mean Organic
OEKO‑TEX® STANDARD 100 is sometimes confused with organic certification, but the two address different questions.
STANDARD 100 indicates that a certified textile or component has been tested for harmful substances according to the standard's requirements. It does not mean that the fibres were organically grown, nor does it certify every environmental or social aspect of production.
A conventional cotton or synthetic fabric may qualify for STANDARD 100 if it meets the applicable testing requirements. Likewise, a fabric made with organic fibre should not be described as STANDARD 100 certified unless it is covered by a valid OEKO‑TEX® certificate.
If organic fibre content is important to you, look for an appropriate organic certification in addition to any OEKO‑TEX® claim.
How to Verify an OEKO‑TEX® Certification Claim
OEKO‑TEX® provides a public online verification service called the **Label Check**. You can use it to check the certificate number or label information connected to a product.
Step 1: Find the certificate number or QR code
Look for a certificate number, label number or QR code on the product label, packaging, product page or supplier documentation. If the seller describes the fabric as certified but does not provide enough information to verify the claim, ask for the applicable certificate number.
Do not try to determine whether a certificate is genuine based only on how its number or artwork looks. The official Label Check is a more reliable way to confirm the information.
Step 2: Use the official OEKO‑TEX® Label Check
Go to the [official OEKO‑TEX® Label Check](https://www.oeko-tex.com/en/label-check) and enter the certificate or label number. If the product has a QR code, you may also be able to scan it to access the verification information.
Step 3: Confirm that the certification is valid
Review the status shown in the Label Check. An OEKO‑TEX® STANDARD 100 certificate is valid for one year, and the certificate holder must renew it to continue making a current certification claim.
If a certificate is expired or cannot be verified, ask the seller whether a renewed or replacement certificate is available. An expired result does not automatically establish deliberate misuse, but it should not be presented as proof of a current certification.
Step 4: Check the certificate holder and product description
Review the certificate holder and the available description of the certified products. The information should reasonably correspond to the fabric or textile being advertised.
A certificate may cover a particular product, material or product group rather than everything manufactured or sold by the company. For example, certification for one group of woven cotton fabrics should not automatically be assumed to cover unrelated knits, coated textiles or other materials.
If the description is broad or unclear, ask the seller or certificate holder to confirm that the specific fabric you are considering falls within the certificate's scope.
Does a Fabric Retailer Need Its Own Certificate?
Not necessarily. A retailer or distributor may sell fabric covered by a valid certificate held by the manufacturer or supplier. The retailer does not automatically need a separate STANDARD 100 certificate simply because it stores or resells that fabric.
However, the certification claim must remain accurately connected to the certified product and its applicable certificate information. A retailer should not use one supplier's certificate to suggest that unrelated products—or the store's entire inventory—are certified.
This is why shoppers should verify the exact product rather than relying only on a general statement about the manufacturer, supplier or fabric shop.
Signs That a Certification Claim Needs More Checking
The following situations do not necessarily prove that a seller is being dishonest, but they are good reasons to request more information:
- No certificate number, label number or verifiable information is available when requested.
- The number produces no result in the official Label Check.
- The certificate is no longer valid, and no current certificate is provided.
- The certificate holder or product description does not reasonably correspond to the advertised fabric.
- Certification for one product is used to imply that an entire collection, company or store is certified.
- The seller describes STANDARD 100 as proof that a fabric is organic.
- The seller treats STANDARD 100 as a complete environmental or social sustainability certification.
- The label appears altered or lacks the traceability information required for its format.
Price alone is not a reliable way to judge a certification claim. Both affordable and premium textiles may be certified. The official verification result is much more useful than assumptions based on price.
Understanding Other OEKO‑TEX® Labels and Certifications
OEKO‑TEX® offers several standards and labels, and they do not all certify the same thing:
- OEKO‑TEX® STANDARD 100: addresses textiles tested for harmful substances.
- OEKO‑TEX® LEATHER STANDARD: applies similar testing principles to leather and leather articles.
- OEKO‑TEX® STeP: evaluates production facilities in areas related to environmentally responsible production, working conditions and safety.
- OEKO‑TEX® MADE IN GREEN: is a traceable product label that combines testing for harmful substances with production requirements.
- OEKO‑TEX® ORGANIC COTTON: addresses organic cotton materials and products according to its own requirements.
- When comparing fabrics, confirm which specific OEKO‑TEX® program is being claimed. A STANDARD 100 certificate should not be presented as though it provides all the assurances associated with MADE IN GREEN, STeP or an organic cotton certification.
When Is Verified Certification Most Relevant?
Certification may be particularly important to shoppers choosing textiles for:
- Baby and children's projects
- Garments worn directly against the skin
- Bedding, pillowcases and sleepwear
- Cloth diapers and reusable personal-care items
- Frequently handled household textiles
- Products intended as gifts, where clear material information is valuable
OEKO‑TEX® certification does not guarantee that a textile will be suitable for every allergy, skin sensitivity or medical condition. If you have a specific health concern, consider consulting an appropriate healthcare professional and reviewing the fabric's complete fibre, dye, finish and care information.
Frequently Asked Questions
Q: Does one certificate cover every fabric made by a manufacturer?
A: Not necessarily. A certificate applies to the products or product groups included within its scope. A manufacturer may sell certified fabrics as well as other products that are not covered by the same certificate. Verify the information for the specific fabric you are considering.
Q: Is an OEKO‑TEX® STANDARD 100 certificate permanent?
A: No. A STANDARD 100 certificate is valid for one year. The certificate holder must renew the certification to continue making a current claim. Use the Label Check to review the current status rather than relying on an older certificate image.
Q: Does STANDARD 100 mean the fabric is chemical-free?
A: No. “Chemical-free” is not an accurate description of any textile. STANDARD 100 means the certified product has been tested against the standard's criteria and applicable limit values for harmful substances.
Q: Does STANDARD 100 mean the fabric is organic or sustainable?
A: No. STANDARD 100 focuses on testing for harmful substances. It does not, by itself, certify organic fibre content or every aspect of environmental and social production.
Q: Does a retailer need its own STANDARD 100 certificate?
A: Not necessarily. A retailer can sell products covered by a valid manufacturer or supplier certificate. The retailer must ensure that the claim clearly refers to the exact certified products and applicable certificate information.
Q: What should I do if a certificate cannot be verified?
A: First, confirm that the number was entered correctly. Then ask the seller whether the certificate has been renewed or replaced and request the current information. If a questionable label or certification claim remains unresolved, you can contact OEKO‑TEX® through its official website.
Make Better-Informed Fabric Choices
Verifying an OEKO‑TEX® claim takes only a few minutes. By checking the certificate or label number, reviewing its current status and confirming that its scope corresponds to the fabric, you can better understand the information behind the claim.
Certification is only one part of choosing the right material. Fibre content, construction, intended use, care requirements, and the transparency of the seller are also important. When shopping with Fabric Design Treasures, review the individual product description and contact us if you would like clarification about the certification or specifications of a particular fabric.
Explore the fabric selection at Fabric Design Treasures
References
- [OEKO‑TEX® STANDARD 100 overview](https://www.oeko-tex.com/en/our-standards/oeko-tex-standard-100)
- [OEKO‑TEX® Label Check](https://www.oeko-tex.com/en/label-check)
- [OEKO‑TEX® STANDARD 100 factsheet](https://www.oeko-tex.com/fileadmin/user_upload/Marketing_Materialien/STANDARD_100/Factsheet/STANDARD_100/OEKO-TEX_STANDARD_100_Factsheet_EN.pdf)
- [OEKO‑TEX® Labelling Guide](https://www.oeko-tex.com/fileadmin/user_upload/OEKO-TEX_Labelling_Guide.pdf)
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