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OEKO-TEX Standard 100 logo
OEKO-TEX Standard 100
Global · Tier 3 Specialty
Non-GMO Project Verified logo
Non-GMO Project Verified
United States · Tier 3 Specialty
Korea Organic logo
Korea Organic
South Korea · Tier 1 Gold
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.North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.South Korea's national organic mark under MAFRA (Ministry of Agriculture, Food and Rural Affairs). Required on any food sold as 유기농 in Korea.
ScopeTextilesFoodFood
Established199220102001
InspectionAnnual on-site + lab testing of finished productsAnnual third-party audit + lab testingAnnual on-site by MAFRA-accredited certifier
Residue testingRequired (this is the entire point)GMO testing only (not pesticide)Required
Guarantees
  • Finished textile tested against the OEKO-TEX harmful-substance limit list.
  • Limits on heavy metals, formaldehyde, pesticide residue, banned amines, allergenic dyes.
  • Verified absence of GMO ingredients (with action thresholds, not zero tolerance).
  • Annual third-party verification.
  • Tracing and segregation across the supply chain.
  • ≥95% organic ingredients.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection by a MAFRA-accredited certifier.
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 mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.
  • Cosmetics and textiles are covered under separate Korean schemes, not this mark.

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