Swiss testing, labelling and certification body Oeko-Tex has issued fresh guidelines for a number of its standards, all due to come into effect during the first quarter of this year after a transition period. 

A brand-new certification for organic cotton, Oeko-Tex Organic Cotton, is among the most significant changes and will enter into effect in April. All textiles bearing the label must have undergone a multi-step verification process, including a DNA-based analysis of samples to check for genetically modified (GMO) fibres, followed by tests to determine the exact extent of GMO cotton, if present.

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