Homemade Liquid Laundry Soap

I have used this recipe for homemade laundry detergent and it works quite well. I find it's gloppy quality unpleasant, however, so I have tinkered with it to come up with one that doesn't solidify. This recipe is easy to make, so I find that making one gallon at a time easier. I cannot find liquid castile soap in my area, so I order it online. This laundry soap, despite the fact that it cleans very well, does not have any suds to it. The castile soap is not sudsy. Even though it does not get gloppy, a good shake before using makes sure that any undissolved powders get distributed equally. Some people insist that Washing Soda is the only thing to use for laundry soap. I have used Baking soda and Washing soda with equal success.

1 Gallon water
1 cup Baking Soda or Washing Soda
1 cup Borax
1 cup Liquid Castile Soap
An empty laundry detergent bottle that will hold about a gallon of liquid or some other suitable container

Heat the water, baking soda and borax in a large pot. Once the water gets warm enough for the powders to dissolve, take it off the stove and add the castile soap. You may add this directly to an empty laundry detergent bottle, or you may let it cool and then add it. You might want to use a funnel.
We use two detergent bottle caps full per large load.


  1. Thanks for the tip on using castile soap. We use castile soap for lot of other things around the house. I will have to give it a try.

  2. thank you for posting this. how much does your bottle cap hold?

  3. I popped over via Heartfelt Homemaker as I was looking for a recipe using liquid castile, as it's what I currently have on hand. I've been using a powdered version for years and I'm looking forward to seeing how this turns out.

    As I don't have any liquid laundry detergent bottles, I'm wondering too how much your cap holds so I can have an approximation for this recipe.

  4. It holds about a half-cup. I used two of them for my washer, but it is a large family-sized washer. My husband says he uses about 3/4 of a cup (or one and a half of my laundry caps.) I would say a half-cup for a regular washer would be a good starting point and work from there. Hope that helps.

  5. Wow, didn't even know about the possibility



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