Making a Bar of Soap from Soap Scraps

February 27, 2011

A pile of soap scraps in a shower.How can I remold soap out of old soap scraps?

By victor



Bronze Feedback Medal for All Time! 186 Feedbacks
February 27, 20116 found this helpful
Best Answer

My former mother-in-law showed me how when she would get a really thin piece of soap left from a bar, she would wet the new bar and the small piece, while in the tub or shower, and stick them together firmly, then while still in the tub or shower, smooth the edges down all the way around the small piece of soap. You didn't get a new bar that way, but the small piece didn't go to waste either.

February 28, 201110 found this helpful
Best Answer

When I have a lot of soap scraps saved up, I grate them on a coarse grater into a bowl. Then I add just enough water or liquid soap to make it stick together like clay. Once you have done this you take a handful of it and form it into one or more bars of soap. I make mine an oval shape. Let it dry a few days and then it is ready to use.

January 3, 201510 found this helpful
Best Answer

Grate or cut the soap into small pieces and place in a microwaveable bowl about 3 times larger than the amount of soap. Add vegetable oil (abt 1 T to 1 cup of soap pieces). Sometimes I add cinnamon (about 2 t, other spices can be added such as basil, chopped bay leaf, etc.), oatmeal (about 2 T per cup) or cornmeal for texture, aroma, and to act as natural scrub.


Add about 1/4 water. Heat in 1 minute increments at 50% power (the soap expands and you don't want to make a mess in the microwave). Stir. Repeat until the soap is soft. Sometimes I leave coarse bits of soap in the mixture to act as scrub. If you accidentlly use too much water, add more liquid to create a liquid soap, or add more oatmeal for a more density.

For soap bars or balls, the mixture needs to be the consistency of playdough. Dump the soap onto wax paper and mold. Pull the wax paper off the top of the soap Let sit a couple of hours, then turn the soap over so the bottom can dry out. It should be ready to use the next day. Soap balls will take longer to cure.

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5 More Questions

Here are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community.

March 25, 2018

I made new soap using scraps and some body oil. The soap is not setting. Any clues to fix the problem please?


Gold Post Medal for All Time! 677 Posts
March 26, 20181 found this helpful
Best Answer

Make sure you are giving the soap enough time to dry. Initial drying is a week, and secondary drying can be 3 weeks.


Bronze Post Medal for All Time! 105 Posts
March 26, 20184 found this helpful
Best Answer

Normally, if you are trying to make new soap out of soap scraps, you shouldn't add oil to the mixture. This can prevent it from setting and drying. Furthermore, it can take several weeks for the soap to dry.

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ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

September 22, 2009

What is the easiest way to make a new bar of soap from all of my old soap scraps?


April 24, 2010

How do I make a new bar of soap from left-overs?


February 27, 2011

How can you make soap from old soap and soap left overs from soap carving?


August 11, 2010

How do you melt down and remold bars of soap?

Make Your Own SoapJanuary 24, 2017
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