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OEKO-TEX Standard 100 logo
OEKO-TEX Standard 100
Global · Tier 3 Specialty
Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
Soil Association Organic logo
Soil Association Organic
United Kingdom · Tier 2 Trusted
What it meansTests finished textiles for harmful substances. Important: OEKO-TEX 100 is NOT an organic certification — it certifies that the finished item is free of certain chemicals, regardless of how the fibre was grown.The strictest, most widely-recognised standard for organic textiles. Covers the full supply chain from organic fibre to finished garment, with environmental AND social criteria.The UK's largest organic certifier. Standards are stricter than the UK government's baseline (which still mirrors EU 2018/848 post-Brexit). Recognised by the EU and USA under equivalence.
ScopeTextilesTextilesSeveral categories
Established199220021946
InspectionAnnual on-site + lab testing of finished productsAnnual on-site, IOAS-accreditedAnnual on-site, UKAS-accredited
Residue testingRequired (this is the entire point)Required for finished productsRisk-based
Guarantees
  • Finished textile tested against the OEKO-TEX harmful-substance limit list.
  • Limits on heavy metals, formaldehyde, pesticide residue, banned amines, allergenic dyes.
  • ≥70% certified-organic natural fibre (the 'organic' grade requires ≥95%).
  • Restricted dyes, no chlorine bleach, no formaldehyde, no banned heavy metals.
  • Wastewater treatment requirements.
  • Social standards based on ILO core conventions (no child labour, no forced labour, fair wages, safe workplace).
  • Annual on-site inspection by IOAS-accredited certifier.
  • Stricter-than-baseline organic standards across food, textiles, cosmetics, and farming.
  • Annual on-site inspection.
  • Animal welfare standards (outdoor access, lower stocking density).
Does NOT
  • Does NOT mean organic. Does NOT cover farming, dyeing chemistry beyond the limit list, or social/labour standards. A 100% conventional cotton t-shirt can be OEKO-TEX 100 certified.
  • Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.
  • Logo is trademarked — not a free-licence mark.

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