Do not wash it more often than every fourth use. In between, it is enough to just vent the garment in fresh air. Wash cashmere in a washing machine, use the wool programe with short wash, never more than 30 degrees. Do not centrifuge the garment. In order to protect the garment as much as possible it is best to use a specialwool detergentwithout alkali and a laundry bag. Remember to never use fabric softener