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OTC
OEKO-TEX Organic Cotton
Global · Tier 2 Trusted
NATRUE logo
NATRUE
European Union · Tier 2 Trusted
Korea Organic logo
Korea Organic
South Korea · Tier 1 Gold
What it meansLaunched April 2023 by the OEKO-TEX Association. A separate certificate from Standard 100 that combines the Standard 100 chemical-residue test with verified organic-cotton supply chain — addressing the long-standing confusion that Standard 100 alone is NOT an organic mark.An EU-based natural-and-organic cosmetics certification. Three grades: Natural, Natural with Organic portion, and 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.
ScopeTextilesCosmeticsFood
Established202320072001
InspectionAnnual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)Annual third-party auditAnnual on-site by MAFRA-accredited certifier
Residue testingRequired (Standard 100 panel + GMO/pesticide screening)Risk-basedRequired
Guarantees
  • Two grades: 'Organic Cotton' (100% certified-organic cotton) and 'Organic Cotton Blended' (≥70% certified-organic cotton).
  • Full Standard 100 chemical residue test on the finished product.
  • Additional GMO test + pesticide residue test specific to organic farming.
  • Verified chain of custody from farm to finished product.
  • Annual re-certification with independent OEKO-TEX institute audits.
  • Restricted ingredient list (no synthetic fragrances, no silicones, no PEGs).
  • Tiered organic content: Natural with Organic portion ≥70% certified organic; Organic ≥95%.
  • Annual third-party verification.
  • ≥95% organic ingredients.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection by a MAFRA-accredited certifier.
Does NOT
  • Doesn't certify the social/labour conditions across the supply chain in the way GOTS does (use OEKO-TEX STeP for that, or pair with GOTS).
  • Cotton-only — doesn't apply to other organic fibres (wool, hemp, linen).
  • Mark is trademark-protected.
  • Cosmetics and textiles are covered under separate Korean schemes, not this mark.

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