To properly care for your cashmere clothing, it is important to avoid machine washing as this can cause shrinkage. Instead, hand wash or have it professionally cleaned. Avoid using strong alkaline detergents as they can damage the flexibility of the cashmere. 

Additionally, be mindful of the colors of your cashmere sweaters when washing, as different hues should not be washed together to prevent staining and color mixing. For small, specific stains on your cashmere clothing, such as juice or coffee, use a few drops of laundry liquid and gently rub the stain. If the stain persists, it is best to take it to a professional dry cleaner.