7 Natural Laundry Stain Removers - The Spruce
But plain, simple table salt works in the laundry as a mild abrasive element for stain removal of rust and red wine stains and to absorb liquid stains before they set. If you have a red wine spill, sprinkle it liberally with table salt. Use the cheapest salt you can find. Let it absorb the liquid and then brush away before you wash the item.