Brands & technologies · Branded viscose

LENZING™ ECOVERO™

Branded viscose · understand the name behind the label.

Reviewed 2026-09-22. Evidence level: verified. Open the interactive profile.

Key figures

Owner
Lenzing AG (Austria)
Generic fiber
Viscose (rayon in the US)
Launched
2017
EU Ecolabel license (producer)
AT/016/001
Producer impact claim
at least 50% less water and about half the carbon emissions of generic viscose

Approximate values under the stated conditions.

Overview

A Lenzing viscose brand with producer-specific sourcing and process claims. Those claims should be checked for the particular product.

Feel and behavior

Depends on the specified fiber grade, yarn and fabric construction.

Where you find it

See the linked underlying material and the producer’s product-specific documentation.

Source and geography

LENZING ECOVERO is a viscose fiber brand of Lenzing AG, launched in 2017. The generic fiber is viscose (called rayon in the United States), a regenerated cellulose spun from dissolving wood pulp. Lenzing states that the wood comes from forests certified under FSC or PEFC chain-of-custody systems. The brand differentiates a commodity fiber type through sourcing, process-emission claims and traceability documentation rather than through a new chemistry.

Advantages

  • It keeps the drape, luster and absorbency that make viscose popular while adding documented sourcing.
  • Lenzing's built-in fiber identification allows the brand to be checked in finished goods, unlike generic viscose.
  • Lenzing reports an EU Ecolabel license for the fiber, a third-party scheme with published criteria.
  • The spin-dyed black variant resists fading because the pigment sits inside the fiber rather than on it.

Drawbacks

  • It is still viscose: weak when wet, prone to shrinkage and creasing, and easily distorted by wringing.
  • The xanthate route still uses carbon disulfide, so the brand improves rather than removes the chemistry concerns of viscose.
  • Environmental savings are quoted against a generic viscose baseline chosen by the producer.
  • The brand gives no information on fabric weight, weave density or finishing, which decide durability.

Worth knowing

  • ECOVERO black is colored in the spinning dope, so the black pigment is locked inside each fiber rather than dyed onto the surface afterward.
  • Lenzing says ECOVERO can be detected in a finished garment by its fiber identification system, which it later extended to TENCEL fibers.

Types, grades and fabrics

Types and grades

LENZING ECOVERO is sold as viscose staple fiber in the usual textile deniers and cut lengths for ring, open-end and air-jet spinning; the brand is defined by sourcing and process documentation rather than by a new chemistry. The main variants Lenzing promotes are standard ECOVERO viscose, ECOVERO black, a spin-dyed (dope-dyed) fiber in which black pigment is added to the dissolved pulp before extrusion so the color runs through the fiber, and ECOVERO made with REFIBRA technology, which adds recycled cotton pulp to the wood pulp. Lenzing presents ECOVERO as a viscose brand, so the generic name on an ECOVERO label should be viscose (rayon in the US).

Fabrics and products

ECOVERO goes wherever ordinary viscose goes: fluid challis and crepe for dresses and blouses, printed rayon wovens, viscose jersey for T-shirts and tops, and blends with cotton, polyester, linen or elastane. Spun viscose yarns made from it are used in knitwear and in soft suiting blends. Spin-dyed ECOVERO black targets knits and wovens where deep, wash-stable black is the selling point. Because the fiber is chemically ordinary viscose, the fabric's hand, drape and shrinkage depend on the mill's yarn and finishing, not on the brand.

Buying and care

How to judge quality

The label must say viscose or rayon; ECOVERO may appear only in addition. Lenzing states that the fiber carries an identification system that lets it detect ECOVERO in finished products long after spinning and dyeing, so brands can ask for verification. Genuine branded hangtags are issued through Lenzing's E-Branding Service against a licensed fabric. For the fabric itself, look for a dense, even weave that does not slip at the seams, since viscose seams fray easily. Ask whether the fabric was preshrunk; rayon wovens can shrink several percent on first wash. Very low prices for 'ECOVERO' fabric sold by the meter without documentation are a red flag.

Care in detail

Wash viscose gently: cold to 30 C, delicate or hand-wash cycle, mild detergent, and a mesh bag for fluid wovens. Do not wring or twist, because wet viscose loses much of its strength; roll in a towel to remove water, then dry flat or on a padded hanger. Tumble drying invites shrinkage and seam distortion. Iron on a medium setting (the two-dot range, about 150 C) on the reverse while slightly damp, or steam, to avoid shine. Store clean and dry to prevent mildew. Dark prints can bleed at first wash, so wash separately. Check the label; many rayon challis garments are safer dry cleaned.

Care at a glance

Follow the finished product’s care label. A trademark does not specify the care needs of every blend or construction.

Environmental and social footprint

Lenzing's headline claims are that ECOVERO production causes about half the emissions and water impact of generic viscose and that the wood comes from FSC or PEFC certified sources; these are producer comparisons against its own definition of generic viscose. For the spin-dyed black version, trade reporting quotes Lenzing as saying that dyeing in the dope can roughly halve water use and cut the dyeing stage's carbon footprint by about 60% compared with conventional dyeing. Independent evidence at the end of life favors cellulose over plastics: a 2019 study by Zambrano and colleagues found rayon microfibers biodegraded in aerobic aquatic tests while polyester microfibers persisted, although cellulose fabrics shed more microfiber mass in washing. Social and pollution risks in the wider viscose industry (carbon disulfide exposure, effluent) are the reason site-level data matter.

Tradeoffs

Producer claims apply to defined products and comparisons. This atlas does not independently certify performance, sourcing or environmental claims.

A useful question to ask: Which exact grade, composition and current producer documentation apply to this product?

Science

Manufactured cellulose family

Regenerated cellulose or a cellulose derivative, depending on the fiber.

Structure and chemistry

ECOVERO fiber is chemically the same as other viscose: cellulose regenerated as the cellulose II polymorph, with glucose units linked by beta-1,4 bonds and a degree of polymerization lower than in cotton. The viscose process typically gives a skin-core morphology and an irregular, lobed or serrated cross-section formed as the filament shrinks during coagulation. Crystallinity and orientation are lower than in lyocell, which is why viscose absorbs more water, swells more, and loses much of its strength when wet. The brand name does not describe a distinct molecular structure.

From source to yarn

In the viscose route that ECOVERO follows, pulp is steeped in sodium hydroxide to form alkali cellulose, aged, then reacted with carbon disulfide to form cellulose xanthate (xanthation). The xanthate dissolves in dilute alkali to give the viscose dope, which is ripened, filtered and extruded into an acid bath of sulfuric acid and salts, where the cellulose regenerates and the sulfur compounds are released. Lenzing states that ECOVERO production meets EU Ecolabel criteria and uses at least 50% less water and generates about half the carbon emissions of generic viscose; those comparisons are producer claims tied to its own chosen baseline.

Performance in use

In use ECOVERO behaves like good-quality viscose: high moisture uptake, soft drape and bright dye uptake with reactive and direct dyes, which bind to cellulose hydroxyl groups. Wet strength is its weak point; published comparisons show viscose losing close to half its tenacity when wet, so wet agitation and wringing can distort fabrics. It chars rather than melts, is not thermoplastic and cannot be heat-set like polyester. Shrinkage and creasing depend heavily on finishing. Biodegradability and lower-impact statements come from Lenzing and apply to defined products and test conditions.

How it is identified

Burn tests are indicative only: viscose burns quickly with an afterglow, a burning-paper smell and little ash. Microscopy shows longitudinal striations and a serrated cross-section typical of viscose. No routine lab method distinguishes ECOVERO from other viscose, because the polymer is the same. Verifying the brand therefore depends on supply-chain documents, license numbers and producer confirmation rather than on the fiber itself.

History

Timeline

  1. 2017Lenzing launched LENZING ECOVERO viscose, reporting that it carried the EU Ecolabel (license AT/016/001) at launch. [1]
  2. 2017Trade press reported that Lenzing paired the launch with fiber identification technology intended to let buyers trace ECOVERO in finished goods. [2]

The brand developed around differentiated viscose sourcing and production. Its range later incorporated products using REFIBRA technology.

The deeper record

Viscose rayon has been produced industrially since the early twentieth century, and its reputation has long been shaped by carbon disulfide emissions, wastewater and forest sourcing. Lenzing launched ECOVERO in 2017 as a branded response to those concerns, reporting that it was the first viscose to carry the EU Ecolabel at launch. The brand was later extended to products using Lenzing's REFIBRA recycled-cotton technology. Its history illustrates a broader trend: distinguishing a commodity fiber by audited process data and certification instead of by chemistry.

Labeling and law

ECOVERO is a trademark, not a generic name. US labels must say rayon or viscose under the TFPIA and 16 CFR Part 303, and EU labels must use viscose under Regulation (EU) No 1007/2011, with the brand shown only in addition. Lenzing reports that ECOVERO holds the EU Ecolabel for textile products (license AT/016/001) and that its wood is FSC or PEFC certified. Those are claims about specific certificates; brands should check that the certificate scope covers the product being sold.

This describes what rules and standards cover. It is not legal advice; jurisdiction, product form and current rule text control.

Frequently asked

Is ECOVERO better than regular viscose?

It is the same fiber type with different sourcing, process controls and documentation. Performance in wear is essentially that of good viscose. What differs is the producer's reported environmental data, certification and the ability to verify the fiber in finished goods, all of which should be checked for the product.

Does ECOVERO shrink?

It can, like any viscose. Shrinkage depends on how the fabric was woven or knitted and whether it was preshrunk or resin finished. Wash cool, avoid the dryer, and expect some relaxation shrinkage on the first wash of untreated fabric.

Is ECOVERO biodegradable?

Viscose is regenerated cellulose and in laboratory tests rayon microfibers biodegrade in aerobic aquatic conditions. Real garments contain dyes, finishes, threads and often synthetic blend fibers, which change the outcome, so biodegradability claims should be read as applying to the fiber under stated test conditions.

Sources

Cite this page

Chaos. (2026). LENZING™ ECOVERO™. In Fibers of Earth: An independent textile atlas. https://www.hendrickresearch.com/fibers/materials/ecovero/