Can't Miss Recipe for Foaming Bath Bombs

foaming and floating bath bomb

Bath bomb makers are constantly looking for ways to make their recipe different, and more unique then the competition. I will admit even we do this in our quest of making bath bombs. We are constantly trying to perfect out bath bomb ingredients, making them all natural, but fun at the same time.

However, sometimes having a can't miss recipe that you can always fall back on is crucial, so that's what we are going to share today. We have been using this recipe for a while now and it works every time.

So let's get to it and discuss the perfect Foaming Bath Bomb Recipe!

Quick Thoughts

Before attempting to make bath bombs, follow these 11 tips...

  1. Know your ingredients.
  2. Know what your intentions are. Do you want your bomb to float, spin, foam, all of the above?
  3. Practice with simple recipes first.
  4. Understand how climate or where you live effects your bath bombs.
  5. Buy good products. (Use skin safe products/fragrances)
  6. Use fine grain baking soda and citric acid.
  7. Be safe. Wear masks because many of these ingredients are powder form and can get airborne.
  8. Have proper equipment.
  9. Do in an open area.
  10. Caution using heavy oils in your bath bombs because they do make for slippery tubs!
  11. Understand the different types of bath bomb colorants and how they effect your bath bomb and act when in water!

Foaming Bath Bomb Recipe

foaming bath bomb recipe


  • Baking Soda - 1 Cup (250 grams)
  • Citric Acid - 1/2 Cup (100 grams)
  • Sodium Lauryl Sulfoacetate (SLSA - This makes the foam) - 1 TBSP
  • Kaolin Clay - 1 Tsp
  • Corn Starch - 1/2 TBSP (5 grams)
  • Sweet Almond Oil - 1 tsp (5 grams)
  • Polysorbate 80 - 1 tsp (5 grams)
  • Fragrance of Choice - 10 grams
  • Color of Choose (Mica in this case) - 1 TBSP
  • Water/Alcohol Mix (50/50)


  • Mixing Bowl (2)
  • Measuring spoons
  • Measuring cups
  • Whisk
  • Mask, gloves, eye cover
  • Spray Bottle
  • Bath Bomb Mold


Step 1: Put on your gloves and mask. Measure all ingredients.

Step 2: Separate all of the dry ingredients into one bowl and the wet ingredients into your 2nd bowl. Mixing the mica with polysorbate 80 will help disperse the colorant.

Step 3: Pour the wet ingredients into the dry ingredients and start to mix right away. If you don't mix fast, the chemical reaction will begin to occur between the ingredients (baking soda and citric acid), in which you will see foaming/fizzing occurring.

Step 4: Start mixing with your hand to break up any clumps in the mixture. After breaking up any clumps you can use a hand mixer to help expedite the process, but no required.

Step 5: At this time your mixture may be slightly damp from the wet ingredients, however it will not be the consistency for molding yet. If it is you've likely added to musch wet ingredients already.

Step 6: Grab your spray bottle (of water/alcohol) and add 5 sprays into the mix and continue to mix immediately.

Step 7: Test your mixture. Grab your mixture in your hand and squeeze it. If it does not stick to your hand and stays formed it is ready. (another test requires you to repeat the above step and then drop the mixture from 8-10 inches above the bowl, and if it stays together it is ready to be molded.

Step 8: Repeat Step 6 if not wet enough. It should feel like damp sand.

Step 9: Grad your mold, overfill each side of the mold and press together tightly, do not twist together.

Step 10: Tap on your mold after about 5 - 10 seconds of pressure, and lift the top mold. Tap the bottom part of the mold and tip over the rest of the bath bomb into you hand.

Step 11: Wait 24 hours. Place your new bath bomb in the palm of your hand and slowly lower it into the tub of water. Enjoy your Foaming Bath Bomb!

foaming bath bomb

Well that's it again from RN to Zen. We hope you have some fun with this foaming bath bomb recipe here, and be sure to be on the lookout for some more of our recipes for all sorts of bath products. Like and share this post on your social media! Thanks, see you next time!

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