I made the homemade laundry soap & have been using it for about a month now. It's awesome! The Washing Soda is made by Arm & Hammer & can be found in the laundry aisle. I found mine at a Fry's grocery store (Kroger in other areas). The Borax (20 mule Team) is a laundry booster. The Fels Naptha or Castile soaps are a bar that can be found in health food stores or the laundry aisle of most discount or grocery stores. Castile can be liquid or bar. Good luck to all who try it! ... View related article.