How to Turn Old Soap Pieces Into New Soap Bars

Written by julia michelle
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There is no need to throw away those old, dried-out or unwieldy slivers of soap. You can save them and consolidate them into a brand new bar. Re-purposing soap not only saves money but can give an old favourite a new lease on life. All you need are a few, simple, household items and enough soap slivers to fill 1 cup. If your soap remnants are unscented, you can even add your own fragrance oil.

Skill level:
Moderately Easy

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Things you need

  • 1 cup soap remnants
  • Measuring cup
  • Distilled or filtered water
  • Small saucepan
  • Silicone spatula
  • 1 tbsp extra virgin olive oil
  • 1 tbsp fragrance oil (optional)
  • Six-well mini-muffin pan
  • Paring knife (optional)

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  1. 1

    Break or cut old soap bars into small, even pieces. The smaller the pieces, the easier they will melt. One cup of pieces is needed.

  2. 2

    Boil 1 cup of distilled water or filtered water in a small saucepan.

  3. 3

    Reduce the heat to medium.

  4. 4

    Add 1/4 cup of the soap pieces to the hot water.

  5. 5

    Stir the soap pieces with a silicone spatula until they dissolve. They may form ribbons of soap in the water.

  6. 6

    Add the remaining soap pieces 1/4 cup at a time. Use the same method as before, stirring the pieces until they dissolve then adding another 1/4 cup of soap pieces. If necessary, add a little water to prevent burning. The soap should be thick and have the texture of mashed potatoes.

  7. 7

    Turn the heat off.

  8. 8

    Mix 1 tbsp of extra virgin olive oil with the melted soap.

  9. 9

    Add 1 tbsp of the fragrance oil of your choice if you wish.

  10. 10

    Spoon the soap into a muffin pan. Fill the muffin pan wells all the way, and use the back of the spatula to level off each well.

  11. 11

    Put the muffin pan into a freezer for one hour, or until the soap hardens.

  12. 12

    Pop the finished soap out of the muffin pan. If you have trouble removing the soap, run hot water on the back of the pan.

  13. 13

    Trim rough edges of soap with a paring knife if you wish.

Tips and warnings

  • Suggested soap scents: Lavender, rosemary, lemon and peppermint or rose.
  • Use dyes that are labelled soap-safe.
  • The soap reduces as it melts. Generally, 1 cup of soap pieces melts down to one bar's worth of soap.

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