The Elbow Grease Stain Remover Bar will remove stubborn stains from all types of fabric & clothing. The Elbow Grease Stain Remover Bar contains enzymes to remove stubborn stains from fabrics. The Elbow Grease Stain Remover Bar removes stains during the wash cycle, simply rub shirt collars and other everyday stains on fabrics and place on the usual wash cycle.