If you or someone you know does buy wool, look for companies that guarantee no mulesing (cutting chunks of skin off without painkillers, to avoid flystrike). Other wool comes from rabbits (angora). Shahtoosh is now banned, from an endangered antelope. Many designer scarves are made from pashmina (cashmere), which comes from the fleece of a Tibetan goat, often killed at the end of its useful life.
Aura Que Vegan Banana Yarn Cowl Scarf is a flattering scarf with a draped neckline, delivering warmth, without bulk or dangling ends. Made by artisans, this sustainable fibre comes from the waste foliage of the banana plant, grown in the Terai flat farming area of South Nepal. The plant is cut back after the fruit harvest, so provides extra income for farmers too. The scarves use azo-free dyes, an ideal alternative for vegans and those with wool allergies. Machine-wash on cool, do not tumble dry and separate dark colours.