For cotton and polyester: Rinse garment in cold water to dilute the stain. Stretch fabric over a bowl and carefully pour hot or boiling water over the stain from a height of about one foot. If stain persists, apply a solution of one part vinegar to two parts water with an eye dropper. Let sit for 10 minutes. Treat with a commercial stain remover that is safe for the fabric. Machine wash according to garment care label.
For washable silk and wool: Flush stain with cool water. Apply a solution of one part vinegar to two parts water with an eye dropper. Then apply a gentle liquid laundry detergent, such as Ivory Snow, and a small amount of water. Rub until suds form. Flush with water again to remove detergent. If stain persists, take the garment to a dry cleaner.