It’s the hardest thing to figure out for a new bath bomb maker…how do you make a bath bomb float like LUSH? Why don’t any of the online recipes make bath bombs float like LUSH?
The first one is called SLSA (Sodium Lauryl Sulfoacetate), and you may have it on hand if you are a frequent bath bomb maker.
Get coarse SLSA at Amazon
The other ingredient is Coco Betaine (Cocomidopropyl Betaine). Both of these ingredients are natural bubbling agents made from coconuts.
Coco Betaine is very inexpensive and this 500g bottle from Amazon Prime will last you a long time. In addition, you can also use it in our bubble bar recipe.
Seven years of bath bomb manufacturing & I hacked LUSH’s recipe.
Oh, yes I did.
If you look at LUSH’s large floating bath fizzies, they are using Lauryl Betaine and Sodium Laureth Sulfate together in their formula.
Cocamidopropyl betaine and Sodium Lauryl Sulfoacetate are the perfect ingredient hacks because both are natural, affordable, widely available and make bath bombs float like LUSH!
Floating Bath Bomb embedded with Fizzy Frosting.
The video below shows multiple bath bomb designs using our master recipe.
You can use this recipe to make any shape, size, or color. Then, you can embed smaller fizzies in the fizzy to make it spin and shoot out colors. It’s your playground.
Recipe author: FizzButter
Yield: 15 large Wilton hearts. Prep time: 15 minutes
Mold your floating Bath Bombs
Cure your floating bath bombs
You can tell if you added too much water because it will really stick to your hand and you will see your mixture visibly rising out of shape. i.e., you put it in the mold and it sticks so bad, you can’t get it out and it puffs out of shape.
If this has happened, work a little dry mix through it and see if it settles down.
Your target wet to dry ratio is just enough water to make it all stick together and no more.
One final note, if you start to cure your fizzies and they lose their shape and flatten on the bottom, you have added too much water. Large round shapes are the hardest to perfect and any flat design will be easier for a beginner.
If the mix is sandy and doesn’t hold together enough to mold, it is likely you need to add a little bit of water. Be careful to just add a little at a time.
You can tell if you under mixed if you get warts on your bath bombs as they sit and cure. It usually shows up very fast. You usually cannot redo them at this point, so just let them cure and use them anyway.
2 cups of baking soda = 1 pound.
2 cups of citric acid = 1 pound.
Keep this in mind when you need to reorder raw materials.
You can use any kind of metal or milky way plastic mold with this recipe. However, it doesn’t work as well with a silicone mold.
Buy Heart Molds at Amazon
We used a Wilton Heart mold on the yellow hearts and a Milky Way Chrysanthemum mold on the aqua colored flowers with gold shimmer.
Just keep in mind, the less intricate the detail and the fewer sharp corners the better final results. Also, a flat bottom design like this is easier than a large round one for a beginner.
Floating Bath Bomb made with Milky Way Chrysanthemum mold and dusted with gold shimmer.
Because of the bubbles, this bath bomb will not be moisturizing like our Butter Bath Bomb Recipe.
Use the blue comment button below and I will answer all questions.
The bubbles are amazing. I had trubble getting them out of tho mould, did I put too much or to little water?
My daughter and I had the best time making these for her slumber party gift bags! Thank you so much!
I made these last night with the heart cutout and they turned out great. Please post the frosting recipe soon!
Thank you! Thank you! Thank you! I have tried to figure out this for a long time!
Yes! Yes! These were great. The only tricky part is the water. You start to get the feel for the mixture. It's fun to make, too.
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