how to join used soap bars?

can I microwave them?

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You can also use a cheese grater to break the pieces down into smaller bits, add a few tablespoons of water to make them all wet, and put them in the microwave on low for 3-5 minutes (stirring occasionally).  This will soften the mixture into a goo that can be put into some sort of mold (like a plastic dairy container) to harden again into a larger bar.  Or shave them up and use them for laundry soap.
artquilter8 years ago
Use a piece of old nylons (pantyhose). Cut off a 10 inch length so you have a tube. Knot one end. Put your soap pieces inside this. Knot the other end...close to the soap. Cut off the excess length. Use like it's a bar of soap!
This is an excellent suggestion. Thanks.
jtobako8 years ago
I just use them, then squish them together and let them dry. I've seen a product that is basically a hamburger press but meant for soap-you put the wet scraps in and press them together.
purduecer8 years ago
just set one on top of the other and run some hot water over em, should get em to fuse together. I would be cautious about microwaving them, that sounds like it has the potential to be a bit messy