Homemade Bath Bombs Using Moon Cake Press

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Learn how to make homemade bath bombs easily using a moon cake press. The finished products are beautiful and would make lovely gifts.

Learn how to make homemade bath bombs easily using a moon cake press. The finished products are beautiful and would make lovely gifts.

Ever since I posted the recipe for headache relief bath bombs, you guys have been asking me for more bath bombs.

Today I am coming through for you with these gorgeous — and easy — moon cake press bath bombs.

Moon Cake Press Bath Bombs

Moon cake presses are fairly inexpensive on Amazon, and have a lot of uses such as making these flowery bath bombs.

Learn how to make beautiful homemade bath bombs easily using a moon cake press.

Seriously though. How lovely did these moon press bath bombs come out?

I am totally diggin’ this new way to press bath bombs.

how to make homemade bath bombs with moon press

These homemade bath bombs would make a great homemade gift idea for Mother’s Day, Teacher Appreciation Day, birthdays, etc. Who wouldn’t love to receive a relaxing and thoughtful gift like these beautiful bath bombs?

Moon Cake Press Bath Bomb Supplies

Ok, let’s get down to it. Here is what you will need to bath mooncake press bath bombs.

Moon Cake Press Bath Bombs Supplies

How to Make Homemade Bath Bombs Using Moon Cake Press

For your convenience, the full instructions are included in the “how to” card at the bottom of this blog post. Simply click on the “PRINT” button to print out a printer-friendly version of the instructions.

But first, I want to point out how important it is that your bath bomb mixture has the right amount of moisture

Moisture is the key factor that determines how your bath bombs come out.

mixture is perfect when you can press the mixture together in your hands and it stays together

You should be able to squeeze your bath bomb mixture in your hands and have it hold its form after you open your hand.

If it crumbles or won’t hold, add 3-5 sprays of rubbing alcohol from your spray bottle, mix, and try again. Repeat until the mixture holds.

Be careful not to go overboard with the rubbing alcohol and make the mixture too wet. A little bit goes a long way.

Another tip: Once your mixture has the right consistency you will want to work quickly, as you don’t want it to start drying up.

Essential Oil Bath Bombs With Mooncake Press

Do I have to use a Moon Cake Press?

If you don’t have a moon cake press mold and don’t want to order one, it is OK.

You can totally substitute by using a traditional bath bomb mold or silicone mold instead.

This bath bomb recipe will still give you some great DIY bath bombs. All that will be different is the design.

That said, you should definitely try using a moon cake press to make your bath bombs one day — they are easy to use and they come out so beautifully.

Grab the full instructions below, and enjoy your lovely bath bombs!

More Must-Try DIY Goodies

How-To
Learn how to make homemade bath bombs easily using a moon cake press. The finished products are beautiful and would make lovely gifts.
How-To
4.84 from 6 votes

Moon Cake Press Bath Bombs

Author: Jaclyn
Prep: 20 minutes
Set Time 8 hours
Total: 8 hours 20 minutes
How to make gorgeous bath bombs easily using a moon cake press.

Equipment

  • two medium-sized bowls
  • a small bowl for each color you want to make (we made 3)
  • sifter or mesh strainer
  • whisk
  • spoon
  • moon cake press mold
  • small spray bottle
  • parchment or wax paper

Supplies
 

  • 1 cup baking soda
  • 1/2 cup citric acid
  • 1/2 cup Sodium Laurel Sulfoacetate SLSA
  • 1/4 cup cream of tartar
  • 1 Tablespoons kaolin clay optional but highly recommended
  • 2 Tablespoons coconut oil
  • 2 Tablespoons rubbing alcohol plus a few extra tbsps for spray bottle
  • 1 tsp polysorbate 80 optional but recommended
  • Essential oils of your choice
  • Mica powder pigments

Instructions

  • In a large mixing bowl, combine dry ingredients: baking soda, citric acid, SLSA, cream of tartar, and kaolin clay. Using a sifter or mesh strainer, remove any hard pieces of the dry ingredients.
    Learn how to make beautiful homemade bath bombs easily using a moon cake press.
  • Using a whisk, break down any lumps remaining in the dry mixture.
    Use whisk to break down lumps
  • In a small bowl, whisk liquid ingredients together: coconut oil, rubbing alcohol and polysorbate 80.
    Combine liquid ingredients
  • Add liquid ingredients to the dry ingredients slowly, about 1 tablespoon at a time.
    Slowly add in the liquid ingredients to the dry ingredients.
  • Whisk well to ensure the ingredients are fully combined. When you can press the mixture together in your hands and it stays together, it is ready (as seen in image above). If the mixture won't stick together and falls apart, you an add 3-4 sprays of rubbing alcohol, mix well, and try again. Repeat until mixture holds. Be careful not to go overboard with the rubbing alcohol and make the mixture too wet. A little bit goes a long way.
    How to make beautiful bath bombs
  • Divide mixture evenly into separate bowls for each color you want to make. Add essential oil and color of your choice to each bowl and whisk to combine. Keep your bottle of rubbing alcohol handy. You will need this if your mixture begins to dry out.
    Get your three bowls together and keep your bottle of rubbing alcohol handy. You will need this if your mixture begins to dry out.
  • Pack mixture firmly into moon press, pressing it down firmly with a spoon.
    Pack mixture into moon press
  • Place moon press down on parchment or wax paper. Press down firmly once or twice to further pack in the mixture.
    Place moon press as shown in photo. Press down firmly once or twice to further pack in the mixture.
  • Hold the moon cake press about 1/2 inch above your surface (as shown in photo) and carefully push down on handle of the press. While pressing on the handle, slowly lift the press up to release the bath bomb.
    Using Moon Cake Press to Make Bath Bombs
  • Allow your bath bombs to dry overnight on a tray or plate. Then, transfer then to an airtight container for storage until use. When you are ready for some relaxation and aromatherapy simple drop a bath bomb or two into your bath and enjoy!
    Learn how to make homemade bath bombs easily using a moon cake press. The finished products are beautiful and would make lovely gifts.

Notes

  • This bath bomb recipe will work with other molds if you prefer not to use a moon cake press.
  • Kaolin oil is used to harden the bath bombs and give them more stabilization.
  • Polysorbate 80 works to make the bath bombs bubble up when put into bathwater.
  • We used Chamomile, Bergamot and Eucalyptus essential oil but you can use whichever oils you prefer.
  • Number of bath bombs made will depend on size of moon cake press used and how far you fill it
Learn how to make homemade bath bombs easily using a moon cake press. The finished products are beautiful and would make lovely gifts.

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How to Make Beautiful Bath Bombs with a Moon Cake Press

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18 Comments

  1. I thought these were really hard to make. I’m excited to make some and relax in the bath with my favorite scents. Thanks for sharing.

  2. What does SLSA do for your recipe and is there an alternative ingredient or can it be omitted?

    1. The SLSA helps create bubbles & foam when the bath bombs are added to the bathwater. You could omit it if the bubbles don’t matter much to you. If you do decide to omit the SLSA, I would add 1/2 cup of Epsom salt, 1/2 cup cornstarch, or 1/2 cup more citric acid.

  3. Do you have a percentage of witch hazel or 70% alcohol that you add? The spray and mix is exhausting . Thank you for any advice.

  4. My bath bomb mixture keeps sticking in the top of the mold, making it look all crumbled. Is there something I’m doing wrong?

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