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Luxurious DIY Bath Bombs With Diatomaceous Earth


Bath bombs are an awesome way to take your bathtub experience to the next level. They also make fantastic gifts to share with friends and family.

Our special recipe combines the soothing power of essential oils and bath salts with the gentle exfoliation of diatomaceous earth. Follow our recipe below to learn how to make your own DE bath bombs!

You will need

These dry ingredients:

  • ¼ cup food grade diatomaceous earth
  • ¼ cup Epsom salt
  • ½ cup citric acid
  • ½ cup cornstarch
  • 1 cup baking soda

These wet ingredients:

  • 2 tbsp essential oil
  • 2 tsp olive oil
  • 1 tbsp coconut oil
  • ¾ tbsp water
  • 3-4 drops of food coloring (optional)

And these supplies:

  • Rubber gloves
  • A plastic mixing bowl
  • Measuring cups and spoons
  • A whisk
  • A spray bottle
  • Plastic fillable ornaments, cookie cutters, OR Ice cube trays

Step 1: Combine Dry Ingredients

Place food grade diatomaceous earth, Epsom salt, citric acid, cornstarch, and baking soda in your mixing bowl. Using your whisk, mix these ingredients evenly.

Shop Food Grade Diatomaceous Earth

Step 2: Combine Wet Ingredients

Pour essential oil (whatever scent you choose), olive oil, coconut oil, water, and food coloring in a spray bottle and shake thoroughly.

Step 3: Spray Wet Ingredients into Dry Ingredients and Stir

While stirring, spritz some of the wet mixtures into the dry mixture. If you were to add all of the wet mixtures at once, the baking soda and citric acid would react. By adding the wet mixture slowly, you prevent this.

The mixture should reach a consistency similar to wet sand (where you can cake it together in your hand). If your mixture is not the right consistency, add a little more food coloring and water to the spray bottle and continue to add the colored water slowly.

Step 4: Mold the Mixture

Once the mixture has reached the consistency of wet sand, take some and pack it tightly into your ice cube tray, cookie-cutter, or plastic ornament. If you used the ornament, tap lightly with a spoon and remove one half of the ornament.


As you pack the mixture into one of its molds, you can also add rose or lavender petals to add to the luxurious, spa-like, experience.

Step 5: Let Mixture Dry

Store in a dry place for 12-24 hours. The bath bombs should harden and resemble giant jawbreakers. Remove the bath bombs from the ice cube tray, cookie cutters, or ornament and wrap with plastic wrap to keep them dry.

To use your bath bombs, simply unwrap one and add it to your bathwater. It will fizz and spread the essential oils and diatomaceous earth throughout the water.