Lyocell is technically in the rayon family but it's got roughly double the tensile strength of viscose (common) rayon. You can see the difference with an electr

Lyocell is technically in the rayon family but it's got roughly double the tensile strength of viscose (common) rayon. You can see the difference with an electron microscope: https://www.undershirts.co.uk/blogs/research/viscose-vs-modal-vs-lyocell https://www.undershirts.co.uk/blogs/research/viscose-vs-moda... Having owned several articles of clothing made from both, they're very much not the same — in particular, lyocell lasts a lot longer.