Lenzing makes two-thirds of its textile fibre sales from viscose.

However, the recovery in its textile fibre markets since June still saw varying regional prices and demand momentum, Lenzing said.

So another law was passed, making it illegal to remove the tag "prior to the time any textile fibre product is sold to the consumer".

A few words on vegetable textile fibres in general may be of interest.

The chief imports to France are coal, raw textile fibres, wine, wheat, and lumber.

Current mechanical recycling of natural fibres like cotton and wool results in shorter, lower quality textile fibres that can't be used again in clothes.

AirDye's process embeds dye within textile fibres instead of merely on them, so colour lasts longer and is more resilient to chemicals and washings.

Originally hired by Leeds University to investigate textile fibres, his fascination with their protein structure revealed how molecules change shape when heated and stretched.