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DIY Bath Bombs

Yield: 3-4 bath bombs


  • 1 cup Epsom salt
  • ½ cup baking soda
  • ¼ cup citric acid
  • ¼ cup corn starch
  • ½ tablespoon water
  • ¾ cup coconut oil
  • Natural soap dye
  • 10 drops essential oil (see options below)
  • Round plastic bath bomb molds (ours are 80 mm across)


1. Combine ¼ cup of Epsom salt, citric acid, corn starch, and baking soda. Stir well until completely incorporated.

2. Add 1½ tablespoons of melted coconut oil, drops of essential oil, and ½ tablespoon of water to the mixture. Stir well.

3. Pack contents into your mold, creating a thin layer across half the sphere, with more concentrated at the base. Let dry for 1 hour.

4. Separate the remaining Epsom salt into three bowls. Using soap dye, dye one bowl a darker shade, one bowl a medium shade, and one bowl a light shade.

5. Beginning with the lightest shade, spoon some Epsom salt into the middle of the bath bomb. Drizzle melted coconut oil on the salt, and spread it across the bath bomb to create a thin layer. Repeat with the middle shade. Finish with the darkest shade, leaving space in the middle; a slightly more concave shape makes it look more like a real geode!

6. Place the bath bomb mold in the fridge for 4 hours to set. Pop it out of the mold, drop one into your bath, and soak into bliss!

Note: Keep your bath bombs cool, especially in warmer weather, as the coconut oil will cause them to separate. Also, the coconut oil that makes these geode bath bombs so luxurious can also leave your bath feeling a bit slippery, so please be aware the next time you step in!


Nighttime Wind Down

6 drops Lavender essential oil

2 drops Rosemary essential oil

2 drops Lemon essential oil

Beach Bum

4 drops Cedarwood essential oil

3 drops Copaiba essential oil

2 drops Lime essential oil