Homemade Laundry Soap

Years ago on one of the episodes of the Duggars they were making homemade laundry soap.  I had always wanted to try it but they used the liquid version that was stored in two 5 gallon buckets. I did not have room for that so I never pursued making it.

I saw the powder version of this recipe recently from the following website DIYNatural.  But there are several different websites that list the same recipe.

Soap recipe

Mix all ingredients and stir together for 5 minutes.  I made 10 recipes (my friends know I never do a little of anything) the first time I made this and could not get the texture the way I wanted it so I put it into my Ninja.  I also used 5 bars of Fels-Naptha and 5 bars of Ivory.

Each batch yields approximately 32 ounces (between 32-64 loads based on how many Tbsp used per load). I use 1 Tbsp for most loads.  If the load is really dirty I will use 2 Tbsps.

This soap is the the most cost saving change I have made in my household routine.

RESULTS:  I am very pleased with this soap.  It makes everything smell great and I have had no problems with it cleaning.  My son just came home with  4 loads of very stinky laundry and the clothes came out great. I used about 1/4 cup in each load, it needed it.

Update 2/28/14: I am still using this soap and I now use only Ivory.  With 9 bars at 3.1 oz each I am able to make 6 batches.


HE front-load washers require special soap because they use less water so they require soap that makes less suds. This homemade detergent is very low suds.

This is also the best laundry soap to use with septic tanks because it contains zero sodium and zero fillers that cause commercial powder detergents to clog lines. It is also completely non-toxic so it will not harm necessary septic bacteria like toxic detergents.


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6 Responses to Homemade Laundry Soap

  1. Lisa C says:

    Hey Keo,
    I tried the liquid soap recipe, but had to reduce it quite a bit, as I don’t have such large containers nor anywhere to store it. So I made enough for 1 gallon to fill up an old liquid laundry detergent container. Unfortunately, it was very difficult to reduce the recipe, and I don’t know if I did it correctly. Also, you have to shake the mixture before each time you use it. Shaking the one-gallon container was hard enough. I can’t imagine how they do it with 5- or 10-gallon containers! I also have no idea what measurement I’m supposed to use. 😦
    In any case, I plan to do the next batch as a powder, using the recipe you give above. My question, though, is whether or not this will clump in cold-water loads, since I use cold water for most of my laundry loads. Have you had any troubles?

    • Lisa I have not had any problems and I have used all temps depending on the load. A friend told me she was going back to the liquid because it doesn’t use as much. Problem is she used the same recipe I listed and then added water so the soap is just watered down. Someone else told me the liquid doesn’t clean as well and whites get dull, probably because it is watered down. I have seen soap nuts lately and they sound interesting.

  2. Lisa C says:

    Hi again, Keo. I’m pretty pleased with the powdered soap. My only issue is the time involved in grating the bar soap. The Fels-Naphtha is incredibly dense, and I spent hours on my first batch just grating it with a hand cheese grater. I used the finest grating level because I wanted a fine powder. I’ve used up my whole first batch, and it went very far. I went to make a second batch today. This time I tried my food processor, but it just wouldn’t make it into a fine powder. The “pebbles” were the size of farina. I’m using it on my first laundry load now, so we’ll see how it works. You mentioned that you put it into your “Ninja.” Could you tell me about that machine? I’d like to do some research on it. Does it blast your soap into a fine powder?

    • Lisa, I did grate it before putting it into my Ninja. I have a mandolin now so may try grating it with that first instead of using my hand grater. It does take some muscle and time to hand grate it. I do like the consistency of grating it and then putting it into a blender.

  3. Melanie Thurman says:

    I have Austin grate it for me while he is watching a tv show. After grating, I use my blender to reduce it to a powder. Works well for me.

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