It is generally recommended to wash a cashmere sweater every 5-10 wears or as needed when it becomes visibly soiled or smells unpleasant. Many people never wash their cashmere sweater, choosing to only spot clean when needed. Overwashing cashmere can strip it of its natural oils and cause it to become stiff and lose its softness and shape. Instead of washing it frequently, you can also try spot cleaning or using a fabric freshener to extend the time between washings.

See our complete Cashmere Care Guide for best practices in caring for your cashmere sweater.