How to Make Soap Using Leftover Soap Pieces

How to Make Soap Using Leftover Soap Pieces was something that my husband and I wanted to try.  We were constantly tossing out those little soap pieces and soap is expensive.  We played around with our soap making skills and finally found this simple way of making soap.

leftover soap uses

In this tutorial, I’m going to show you how to make bar soap from these little pieces.  So start saving all of your leftover soap.

Step 1:  Throw all of the soap you have in your blender.

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Continue to blend it until your soap is in tiny pieces.

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Step 2:  Over medium heat add a 1/2 cup of water and dump all of your soap into a medium sauce pan

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Step 3:  Stir your soap.  At this point depending on how much soap you used, you may need to add more water.  Continue to add some more water until the soap starts dissolving and becomes a cake like batter.

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Step 4:  Reduce heat to low and cover.  Stir frequently until soap thickens.

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Step 5: Using a muffin pan, spray the tin with oil.  (Any oil is fine)  Then pour the soap batter into the muffin tin.  Or use a fancy soap mold.

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Step 6:  Using a spoon, smooth out the soap batter.

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Step 7:  Let sit overnight, or place in freezer for a few hours until soap hardens and when done your soap should look like this.   Then wrap  your soap with plastic wrap and that’s it.

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You can decide how big you want your soap by using various containers.  We actually preferred our muffin tins because these soap pieces actually fit right into the palm of our hand.

Be sure to check out my other post:  How to Make Foam Soap with 2 simple ingredients

How to make soap

Love this money saving DIY project?

Comment below and let me know what your thoughts are on this how to make soap tutorial.

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Gina is an overwhelmed mother of 4 children which includes twins. She often looks for ways to make life a little easier. When she's not chauffeuring her kids to school, cleaning the house or taking her kids to their activities, she finds her sanity though this blog and through social media. Her journey would not succeed without remembering to put Faith first, Family second and Work third.
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Speak Your Mind



  1. Love the step by step photos for making your own soap from all those little bits! We mostly use body wash, but if I do use bar soap, I’m a bit obsessive about using every last bit. I can see this being very handy!

  2. You could even turn it into liquid soap by adding more water. I do love this idea of turning them back into bars though. I found you via I Should be Mopping. I would love for you to visit my little cleaning blog here.

    • Angela that’s so funny you mentioned that because I’m currently making body wash with our left over soap to show what else you can do with left over soap pieces.

  3. OMG that looks so easy! Thank you I’m gonna try this! Sharing too!!

  4. What a great way to recycle. I am going to start saving my left over soap and give this a try. Thanks for sharing.

  5.' cathy eller says:

    I don’t go to all that trouble. I just put the left over pieces in an old liquid soap container with some water. The soap will eventually melt, just shake it before you use it.


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