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Making a Bar of Soap from Soap Scraps

How can I remold soap out of old soap scraps?

By Victor

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February 27, 20110 found this helpful

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.

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February 28, 20110 found this helpful

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 afew days and then it is ready to use.

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March 1, 20111 found this helpful

I've found the easiest way of all: Save your soap scraps until you have a travel soap box container (hopefully a large one) full. Put them inside with a small amount of water, then put the open container in your microwave. Set it at a low speed or even defrost, then keep an eye on it as it heats. The bars will absorb the moisture and start to grow in size. Start and stop the microwave. When it seems to suit you, take a skewer or other long utensil and stir to mix. Then let it cool and push it down into the soap box to make a bar. Set it aside and let it cure for a few days. When it's no longer tacky, push it out of the box. You may need to use a small knife or skewer to score around the edges and loosen it from your mold. Now pop it out and you'll have a bar you can use to wash at the sink, tub, or shower.

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June 13, 20130 found this helpful

I have designed a small house hold product with hand driven machine which molds scraps into bars with less energy consumptive way and easy to use. It's small in dimension and easy to use even 8+ kid I use this devise to make soap scrap into bars. I will take some images and upload them.

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July 23, 20160 found this helpful


Can I buy one of these products? I hate throwing away the end scraps of soap but can't find any way of making them stick together. Years ago I had something called "Soap Sam" that I used very successfully but can't find anything like it online these days.

Best regards,


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January 3, 20150 found this helpful

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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January 3, 20150 found this helpful

PS. Add grated orange or lemon rind to the soap as something different for added aroma and texture.

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February 27, 2011 Flag
0 found this helpful

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

By Peter from Loscoe, Heanor, Derbyshire


Making a Bar of Soap from Soap Scraps

Grate all of the soap leftovers. Slowly start adding small amounts of water until the mixture can be mixed into something very similar to sticky Play Doh. I haven't tried it, but have read that at this point you can add one drop at a time of essential oil until you get the desired scent. When you reach sticky Play Doh consistency, form the soap into balls by rolling the desired amount between your hands or press into a cookie scoop. Set on a cookie rack to dry. If no cookie rack is available, put on wax paper and turn at least once a day until dry. (08/11/2010)

By Skyfire

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August 11, 2010 Flag
0 found this helpful

How do you melt down and remold bars of soap?

By Vida from Amarillo, TX

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April 24, 2010 Flag
0 found this helpful

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

By bennachie from Scotland


Making a Bar of Soap from Soap Scraps (09/22/2009)


Making a Bar of Soap from Soap Scraps

Basically you grate the old soap, melt, blend, and pour into something which will make a mold. If the soaps are different colors or degrees of dryness, the finer the grating, the better the result.

Or you can grate, put in an old plastic container, put 1/4 cup water for small amount, 1/2 cup water for more, put on lid and let slowly melt over a few weeks in a cupboard. When it's a gooey mess, heat slowly in a stainless pot, or glass bowl in microwave in 20 second bursts on maybe 40 percent power. Stir until it all looks the same, use a spatula to scrape into your "mold" and let dry for few days until it pops out easily. Stand on side somewhere out of way and let get really dry and hard.

Sounds like a pain, but it's good practice if you ever want to double process home made soap. Directions for different methods are on the web. If you double process soap, and let it dry for about 2 months it lasts so long you wouldn't believe it. Really. (09/23/2009)


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September 22, 2009 Flag
1 found this helpful

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

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