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Throughout the supply chain, we strive to make sustainable choices, with a combination of recycled and sustainable materials, as well as the best-practice methods selected for minimisation of carbon, waste and water footprint. The aim is to be part of the solution for a better planet, but not to do it alone.

Certifications create transparency and security. They help our customers and partners in the selection of environmentally friendly products of high quality. Below is a list of our certifications from the Lenzing company Nativ sources its yarn from, and what they mean. 

European Eco-Label

Lenzing was the first fiber producer in the world to be awarded the European Ecolabel in 2002.

The European Ecolabel - initiated by the European Commission - is an environmental seal of approval for the labeling of products and services. The EU Ecolabel is used to identify those products and services that have a lower environmental impact and health impact over their entire lifespan than comparable substitute goods.

The criteria for awarding the EU Ecolabel are developed by independent experts, scientists and NGOs in cooperation with the EU member states. The criteria are determined on a scientific basis.

Lenzing has to meet strict criteria for the EU Ecolabel. This affects both air and water emissions, as well as the handling of chemicals. In addition, aspects of life cycle analysis are also included in the assessment.

All Lyocell fibers, modal fibers and viscose fibers from Lenzing are available with the Euroblume. They have been checked by independent experts for compliance with the strict environmental and performance criteria.

USDA Certified Biobased Product

Bio-based products are based on renewable resources such as agricultural, marine and forest materials and offer an alternative to petroleum-based products. Certification of bio-based products is part of the U.S. Department of Agriculture's BioPreferred program. It is intended to encourage state institutions and companies to buy products that are bio-based or that consist largely of biological materials. LENZING ™ Lyocell fibers are certified 100% bio-based.


The Belgian certification company TUV AUSTRIA BELGIUM NV confirmed the biodegradability of Lenzing's cellulose fibers according to international standards. The program includes tests for biodegradability (chemical decay), dissolution (physical decay), ecotoxicity and harmful substances (e.g. heavy metals). According to this, Lenzing fibers are biodegradable - in the soil as well as in sea water - as well as industrial and compostable for households.

OEKO-TEX® Standard 100

This worldwide standard ensures that around 2,000 chemicals in textile production are either not used at all or that the residues are within very narrow limits.

FSC® and PEFC ™

Lenzing relies on responsible forestry. FSC® and PEFC ™ certifications prove that the majority of the wood for Lenzing fibers comes from sustainable sources. 

Responsible Care

Responsible Care defines a high industry standard for chemical companies. The Lenzing location has been certified by Responsible Care for 20 years.


FAIRTRADE lists Lenzing fibers as fibers produced under responsible conditions. 

ISO Standards

These certifications confirm modern quality, environmental, health and safety standards. All Lenzing pulp and fiber production facilities are ISO 9001: 2008, ISO 14001: 2004 and NS OHSAS 18001: 2007 certified.

Medically Tested - Tested for harmful substances

The FKT seal of approval "Medically tested - tested for harmful substances" identifies textiles that do not release chemicals that can irritate the skin or be harmful to health. This combination of pollutant tests and tests of sensitive, efficiency-based body tolerance, which is unique on the market, offers double-tested safety.

Recycled Claim Standards (RCS)

The RCS is used as the product chain standard to track recycled raw materials throughout the supply chain.

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