Save This Post for Later! Recipe for homemade laundry detergent: Dry Powder (Simple): Mix 1 cup grated bar soap (Fels-Naptha, Ivory, or Castile), 1 cup washing soda, and 1 cup Borax. - the way i do it! Dry Powder (Boosted): Mix 1 bar grated soap, 2 1/2 cups washing soda, 2 1/2 cups baking soda, 1 cup Borax, and 2 cups OxiClean. - if you need heavy duty washing power due to your work or family needs #creatorsearchinsights #homemade #laundrydetergent #neurospicy #gothicgirl