Wash and flat-dry a wool sweater in 6 steps
Follow the garment label, choose permitted hand or wool-cycle washing, and dry knitwear flat in the shade.
Official source: Wash and flat-dry a wool sweater in 6 steps
Original-source link card from Woolmark
Open source ↗Woolmark advises following the specific care label rather than assuming all wool garments need the same treatment.