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OEKO-TEX Standard 100 logo
OEKO-TEX Standard 100
Global · Tier 3 Specialty
Demeter International logo
Demeter International
Global · Tier 2 Trusted
Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · 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.The certification mark for biodynamic agriculture. Stricter than any government organic standard: it covers the entire farm as a closed ecosystem, follows a planting calendar tied to lunar/solar cycles, and bans many practices the baseline organic rules permit.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.
ScopeTextilesSeveral categoriesFood
Established199219282001
InspectionAnnual on-site + lab testing of finished productsAnnual on-site by Demeter-accredited inspectorsAnnual on-site by EU-accredited German control body
Residue testingRequired (this is the entire point)Risk-based on top of organicRisk-based
Guarantees
  • Finished textile tested against the OEKO-TEX harmful-substance limit list.
  • Limits on heavy metals, formaldehyde, pesticide residue, banned amines, allergenic dyes.
  • All organic standards PLUS biodynamic preparations and whole-farm planning.
  • Whole-farm certification (not single fields/products).
  • Annual on-site inspection by Demeter-accredited inspectors.
  • Animal welfare standards stricter than baseline organic.
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German 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.
  • Biodynamic philosophy includes esoteric elements (lunar planting, herbal preparations) that many scientists view as non-evidence-based — the agronomic outcomes are still good, the underlying claims about cosmic forces are not testable.
  • Same standard as the EU Leaf — not stricter.

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