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	Bio-Siegel (Germany) Germany · Tier 1 Gold	OTC OEKO-TEX Organic Cotton Global · Tier 2 Trusted	Tún (Iceland) Iceland · Tier 1 Gold	COSMOS-Organic / Natural European Union · Tier 2 Trusted
What it means	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.	Vottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.	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).
Scope	Food	Textiles	Food	Cosmetics
Established	2001	2023	1994	2010
Inspection	Annual on-site by EU-accredited German control body	Annual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)	Annual on-site, MAST-accredited	Annual on-site by COSMOS-accredited certifier
Residue testing	Risk-based	Required (Standard 100 panel + GMO/pesticide screening)	Required for at-risk operations	Risk-based
Guarantees	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.	≥95% organic ingredients per EU rules. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).	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.
Does NOT	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).	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Doesn't certify clinical effectiveness or skin tolerance.

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