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NATRUE logo
NATRUE
European Union · Tier 2 Trusted
Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · Tier 1 Gold
OTC
OEKO-TEX Organic Cotton
Global · Tier 2 Trusted
What it meansAn EU-based natural-and-organic cosmetics certification. Three grades: Natural, Natural with Organic portion, and Organic.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.Launched 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.
ScopeCosmeticsFoodTextiles
Established200720012023
InspectionAnnual third-party auditAnnual on-site by EU-accredited German control bodyAnnual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)
Residue testingRisk-basedRisk-basedRequired (Standard 100 panel + GMO/pesticide screening)
Guarantees
  • 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.
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German certifier.
  • 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.
Does NOT
  • Mark is trademark-protected.
  • Same standard as the EU Leaf — not stricter.
  • 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).

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