My mother's (and now my) go-to for the hardest-to-clean stains is Fels-Naptha bar soap. You can probably tell by the dated packaging and low price point that Fels-Naptha soap is old-school.

Fels-Naptha's laundry soap is known to remove even the toughest ... level stains should lift after several minutes, stubborn ingredients like grease, oil, and even red wine may take a while ...

I can usually find all my ingredients at Walmart and Amazon. You can search for the washing soda down the same aisle where ...

This Bundle Includes a 5 Ounce bar of Fels-Naptha Laundry Bar and Stain Remover and a Hand Crafted Wood Soap Dish Giving your Laundry Area a Stylish Rustic Look. The Must-Have Laundry Soap Bar ...