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How to Make Conversation Heart Soaps

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Conversation heart candies are one of the best things about Valentine's Day. I'm not sure if anyone actually enjoys eating them, but the flirty, fun messages are always a treat. After a bit of trial and error, I figured out the secrets to making your own conversation hearts - in a soap!


  • Glycerin soap - either clear or white
  • Heart soap mold
  • Soap color tints
  • Letter shape cutters
  • Rubbing alcohol (optional)
  • Microwave safe bowl

1. Make the Soap Letters

Step 1

Melt three to four blocks of glycerin in the microwave in 30 second intervals. I used a glass measuring cup so it's easy to pour. When the soap is completely melted, add a few drops of soap tint (I used red). Stir to combine.

Add colorAdd colorAdd color

Step 2

Pour the soap into a small flat dish and let it cool. Thicker letters seemed to work better, so pour the wax to 6mm (0.25in) to 1.3cm (0.5in) thickness.

Pour soapPour soapPour soap

Step 3

After the soap has cooled, use the letter cutters to punch out the words you want. Make sure all of your letters fit in the mold. If you want to take the soap out of the dish before pressing the letters, you can pop it out fairly easily with a butter knife.

Cut lettersCut lettersCut letters

Step 4

Place the letters in a small dish and squirt on some rubbing alcohol. This is supposed to help prevent bubbles. Then stick the letters in the freezer.

Freeze lettersFreeze lettersFreeze letters

2. Make the Heart Soap

Step 1

While the letters are in the freezer, clean out the measuring cup and then melt three to four more soap cubes in the microwave. Add your desired soap tint color and mix thoroughly.

Step 2

While the soap is cooling, take the letters out of the freezer and put them in the heart mold. Note: The letters need to be reversed to read properly! When the soap is no longer steaming, pour it into the mold over the letters.

Fill soap moldFill soap moldFill soap mold

Step 3

Let the soap cool and pop it out of the mold. You can use a toothpick to remove any soap that's on top of the letters. Here's what it looks like when you forget to flip the letters - OX is not quite as romantic! You can also see the difference between opaque and clear glycerin.

XO SoapXO SoapXO Soap

Have Fun Washing Hands!

These soaps may be just the thing to get kids excited about hand washing!

XO SoapXO SoapXO Soap

In this tutorial, you learned how to use glycerin to make conversation heart soaps just in time for Valentine's Day. A perfect craft to let someone know you love them!

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