If you've spent any time researching sustainable fabrics, you've probably encountered Tencel lyocell branded as the golden child of eco-textiles. Developed by Austrian company Lenzing in the 1990s, this regenerated cellulose fibre transformed the way the industry thinks about man-made materials by proving that "manufactured" doesn't have to mean "environmentally destructive". Tencel lyocell starts its journey as wood pulp from sustainably managed eucalyptus forests, then unde