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Is viscose toxic or sustainable? The full breakdown

Mixed

Viscose (rayon) confuses people because it is plant-based yet chemically made. For your skin it is low-risk and breathable. The real problems are in how it is produced. Here is the honest picture and how to choose a better version.

In this article

On your skin: low risk

Viscose is soft, breathable and biodegradable, and it is gentle against skin. There is no significant skin-toxicity concern with finished viscose fabric.

In the factory: a real worker hazard

Conventional viscose is made using carbon disulfide (CS2), a chemical linked to neurological and cardiovascular harm in factory workers. This is a production-stage issue, not a wearer one, but it is a genuine ethical concern in unregulated supply chains.

Conventional viscose is linked to around 120 million trees logged a year for fabric, and its production uses carbon disulfide, a worker neurotoxin.

In the forest: deforestation risk

Viscose comes from wood pulp, and Canopy Planet links the man-made cellulosic industry to roughly 120 million trees logged a year, some from ancient and endangered forests.

The better versions

Look for FSC-certified viscose, branded LENZING ECOVERO, or step up to lyocell (TENCEL), which uses a closed loop that recovers over 99.8 percent of its solvent and certified wood. Same silky feel, far cleaner production. ClothTrace flags the fibre so you can choose the better grade.

See what your clothes are really made of

Scan any care label. ClothTrace reads the real fibre, decodes the wash symbols, and flags what it puts against your skin. Free to scan.

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Frequently asked

Is viscose bad for your skin?

No. Finished viscose is soft, breathable and low-irritation. The concerns with viscose are about how it is manufactured, not wearing it.

Is viscose sustainable?

Conventional viscose has real chemical and deforestation problems. Certified (FSC) viscose, ECOVERO, and especially lyocell are much more sustainable.

Is viscose the same as rayon?

Yes. Viscose is a type of rayon, and the two names are used interchangeably for the same wood-pulp fibre.