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Make your own Silicone Soap Mold

April 3, 2017

A silicone soap mold is a fun project to do with any one or two part silicone rubber mold. Soap making supplies can be found at most craft stores (We go to Michael’s). Here, I used a rubber duck mold I had already made for another project.  If you want to make a 2 part mold, you can read the detailed post about the two part mold making process at,  If you choose to make a 1 part mold, you can read about one part block mold process, with detailed directions and a video at,

Materials needed:

  • Either an already made silicone mold or an original part (like the rubber duck I chose), sulfur free modeling clay (for a two part mold only) and a mold box.
  • Glycerin soap from a craft store
  • Glycerin soap colorant and/or scent (essential oils work well)
  • Plastic bowl and microwave to melt soap

Your work area:

  • Clean, level work surface, covered in paper or plastic for easier clean-up.
  • All materials comfortably within reach.

Project steps:

  • Step one if you don’t have a mold is to make a mold. Please see the links above to make a one part block or two part mold. Any silicone mold can be a silicone soap mold!
  • If you have a two part mold, it must be taped together to prevent any leaking. I like to use blue painter’s tape for this. Most molds I tape in 4 strips. Make sure that the tape is holding the mold firmly together, but not so tight that it distorts the mold. You shouldn’t see any gaps and the parting line should almost be almost invisible.


  • Next, follow the directions on the glycerin soap packaging. For the soap I bought, that means chopping the block of soap into small pieces and microwaving it in 30 second increments and stirring the soap until liquid.

  • Then I added some silver metallic soap colorant and some lavender oil.

  • Pour into your silicone soap mold.

  • The glycerin soap I have says to let it set up for at least 40 minutes before demolding. Always follow the directions on the packaging for the soap you have.
  • I removed the tape and took the mold apart to reveal my silvery lavender smelling duck soap.


  • There wasn’t much flash. I easily smoothed away the little bit of flash with my finger.

There you have home made soap from a silicone soap mold. Pretty easy  to do and because the soap sets up fairly quickly, you can make many soaps from one mold in a day. If you have any questions about this project or any others, send us an email or visit or our web site,


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