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OTC
OEKO-TEX Organic Cotton
Global · Tier 2 Trusted
COSMOS-Organic / Natural logo
COSMOS-Organic / Natural
European Union · Tier 2 Trusted
Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · 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.The leading certification for organic cosmetics in Europe. Two grades: COSMOS Organic (≥95% organic agricultural ingredients) and COSMOS Natural (no organic minimum, but the same restricted-ingredient list).Germany's national organic mark, owned by the Federal Ministry of Food and Agriculture. Sits alongside the EU Leaf on most German organic packaging since 2001. Same standard as the EU Leaf — Bio-Siegel is the brand consumers recognise.
ScopeTextilesCosmeticsFood
Established202320102001
InspectionAnnual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)Annual on-site by COSMOS-accredited certifierAnnual on-site by EU-accredited German control body
Residue testingRequired (Standard 100 panel + GMO/pesticide screening)Risk-basedRisk-based
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.
  • COSMOS Organic: ≥95% organic agricultural ingredients.
  • COSMOS Natural: minimum natural-origin ingredients with banned synthetic restrictions.
  • No GMOs, no parabens, no PEGs, no synthetic fragrances, no SLS/SLES.
  • Biodegradability requirements.
  • Annual on-site audit.
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German 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).
  • Doesn't certify clinical effectiveness or skin tolerance.
  • Same standard as the EU Leaf — not stricter.

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