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Semi-synthetic fiber

LENZING ECOVERO

Low concern
Health score 18 of 100 · lower is safer
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What it is

LENZING ECOVERO is a branded viscose, still made by the traditional viscose route that uses carbon disulfide, but manufactured under Lenzing's tighter controls with chemicals recovered rather than dumped, and it is the first viscose to earn the EU Ecolabel.

The health story

Be precise here, because the marketing blurs it: this is viscose, not lyocell, so the process does involve carbon disulfide, a solvent that is a documented hazard to factory workers when emissions are not controlled. The wearer-health point is different from the worker-health point. By the time the washed, finished fiber reaches your skin it carries essentially no carbon disulfide, and ECOVERO is certified to OEKO-TEX STANDARD 100 and is highly breathable and absorbent, so it feels soft and cool against skin. What you are paying for is controlled, lower-emission, traceable production and verified low residual chemistry, versus anonymous viscose where neither the worker exposure nor the finishing residues are accountable.

What to look for

Look for the branded LENZING ECOVERO name plus EU Ecolabel and OEKO-TEX STANDARD 100; generic unbranded viscose or rayon gives you no assurance about how it was made or what residues remain.

Environmental note

It uses at least 50 percent less water and generates about half the carbon emissions of generic viscose.

Sources
  1. LENZING ECOVERO Viscose · Lenzing
  2. The Ongoing History of Harm Caused by the Viscose Rayon Industry · PMC (peer-reviewed)
  3. OEKO-TEX STANDARD 100 · OEKO-TEX

The health score reflects wearer health only and mirrors the Toxome app. This guide is educational and is not medical advice.

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