Instructables
Picture of How To: Make Bath Bombs
Everybody loves bath bombs. It is like taking a bath in champagne, only without the show tunes and chorus boys. They are fairly simple to make, keeping in mind that the strangest things can make a batch go weird; humidity, room temperature, oil viscosity, the moon rising in the seventh house of Aquarius . . . they are a mysterious wonder.
For this recipe, I am using ingredients that are pretty common, or easy to find in most areas. Essential oils can be found in small amounts at places like health food stores and craft stores often carry essentials and fragrances. Just make sure, if you buy fragrance oil, that you are buying "body safe" oils and not stuff for candles or oil warmers.
So, let's start with a basic recipe in two parts.
Dry ingredients: (By Weight, as measured on a scale.)
  • Baking Soda - 8 ounces
  • Citric Acid - 4 ounces
  • Corn Starch - 4 ounces
  • Salts - 4 ounces ( in these pictures, I used Dead Sea Salts, but mineral salts work too, and are easier to find and significantly less expensive.)
Wet Ingredients:
  • Water - .75 tbsp
  • Essential or Fragrance Oil - 2 tsp (for these I used a Ginger Peach.)
  • Oil - 2.5 tbsp (I used cherry kernel, but any light vegetable oil will work.)
  • Food coloring - 1 or 2 drops. (Your color will look very dark in the emulsion, but will be light in the fizzies, so as to not leave rings around the tub. For this batch I used one drop red and two drops yellow. The final result will be very light peach.)
 
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Step 1: Blend the Dry Ingredients

Picture of Blend the Dry Ingredients
Begin by putting all of your dry ingredients into a big bowl. Glass is best because it is non-reactive. Whisk or pestle those pesky clumps out. You want a fairly smooth consistency throughout the entire mix.
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backcountry6 years ago
OK, here they are! I bought 4 of these molds and one batch filled them with a little to spare. I started early for Valentine's Day so I had time to screw up a couple of batches, but I think these are going to be fine as. Peppermint. Maybe I'll make one more different batch. What about glycerin instead of oil, would that work? I used almond oil, but I wasn't really happy with it.
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SoapyHollow (author)  backcountry6 years ago
Those are gorgeous! Word of caution: eucalyptus, peppermint/spearmint/wintergreen type oils in a bath product may give you the ability to levitate and walk on water. (Don't ask how I know...well, you could ask...it's a pretty funny story.) Suffice it to say that girly bits and tingly oils...well....it can be a bit, erm...intense. ;) Also, I don't know if you have an Ikea near you, but they make the grooviest silicon icecube trays in various shapes; one of which is hearts. I've used their trays over and over for bombs, traditional soap and glycerin soap and they just last and last. They're cheap and durable. Yay!
i planned on making these for my sister as a birthday present and was hoping to make them peppermint b/c that's her fave smell... what exactly does the "levitation" thing mean...? sorry if i'm just not getting it... :-/

seriously?

Why would you respond to a 5 year old comment with 'seriously' instead of the answer?

well SoapyHollow the girly bits and tingly oils are good because you can feel like you are having sex in the bath. and thanx for the idea, its sex time!

Here's one for you, I made bath salts and you add epsimons salt, could I put that in the bath bomb mix? Or will I blow up ha ha ! Not sure how to spell that salts hope you can read it
SoapyHollow (author)  susie-q5 years ago
Probably. :) Epsom salts are mineral salts. I'm not sure what else you put in the bath salt mix, but it should probably work.
Oh my, I am so glad you mentioned that about peppermint! I've been "stung" by Dr. Brommers before, I should have known better. Now I know I have to make another batch with a different oil. One thing I like about these molds is that ice cube trays would make half hearts (they're flat on one side). These are snap-together, two piece molds. They make full 3d hearts, which I think is cool. I thought they might break apart unsnapping or trying to pry them out of these molds. But no problem, they plopped right out.
SoapyHollow (author)  backcountry6 years ago
Oh cool!

Why didn't you like the almond oil? I am very curious to know as this is a gift and I am not sure what the benefits are to the different oils in bath bombs as far as skin benefits not just cool looks, smells and fizzies!

where did you get theose heart molds? They are cute!!
FactoryDirectCraft.com I just googled 'fillable plastic hearts' and started clicking. The ones I got are 80 mm (the medium size). In retrospect, they're pretty big, I'd recommend going with the small ones.

I just made these, they are so easy and brilliant. I used coconut oil and musk oil. They look and smell really good. I used a Christmas ice cube tray and it took me two trays to get all the moulds neat, but I got 54 giftable mini fizzies and some, well will just have to use myself, oh dear!

Pikacindy made it!4 months ago

This is my first time making bath bomb and although I made a huge mess in the kitchen, seeing the result really is worth it, thank you for sharing the recipe!!!! :)

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SoapyHollow (author)  Pikacindy2 months ago

These are awesome! Go you!

Hey guys, these are great! I made them yesterday and have packaged them up for my girlfriend this morning! Isn't she lucky it was raining yesterday and I couldn't work :P
I used 2 pairs of measuring spoons to form the molds, they worked well once I had the right consistency. I just forced them together to form a sphere. A 1 Tbsp one for the big ones, 1.5tsp for the medium, and 1/4tsp for the tiny ones.
Over here in a country town in New Zealand, its hard to find the right fragrance oils that are safe for skin. I know I could of ordered online, but it was a matter of now or never,  So while wondering what I could use to add some scent, I remembered how much my gf liked my CK cologne, so just cracked open my bottle of that, and poured about 2tsp of the stuff in. Didn't like being with the water much, but guess it was similar to oil.
Here's a couple of pics, Hope you like them.

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they look really cool my mum ordered molds online ages ago and we're making the stuff today
SoapyHollow (author)  Aislinn4 years ago
Sweet! I'd love to see pics when you're done! :)
WOW...that is too cute!!! she"s lucky :)
SoapyHollow (author)  himynameisandy4 years ago
Gorgeous! Go you!
the Secrets of eden (www.thesecretsofeden.com) sells essential oils internationally!
Very pretty and nice job.  thank you for sharing that you used cologne.  I've wondered if it could be used but haven't done a project yet that would let me find out.  You have inspired me!
soonersseth6 years ago
Great Instructable my mom liked her birthday present
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great birthday present idea.... I'd do it too if I could drive to a store to get all the oils and such. "hey mom, can you drive me to the store?" "why?" "to get essential oils." "....why?" ".......because they're essential."
SoapyHollow (author)  codongolev6 years ago
Hee! :)
SoapyHollow (author)  soonersseth6 years ago
Those are so fabulous! Go you!

Quick question: I want to make fizzies for shower use. I don't think an oily shower floor would be a good idea LOL If leave the oil out of the recipe, should I replace it with more water?

BeenieM8 days ago

COULD I USE RADOX BATH SALTS ?

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is there anything else to use for color other than food coloring..not my first choice for health reasons..is there a natural dye and where can one get them from.

SoapyHollow (author)  robbin.vance12 days ago
Well, that's a trickier question than you might expect. Dyes which are called "natural" are not certified for safety by any government oversight agency, and so formulators can't use them in formulas that are approved by the FDA/Cosmetics Act...therefore, I don't have a lot of experience working with them.

That said; the amount of coloring in this formula is very small. There is no ingredient in the formula that would allow anything to cross the skin barrier; ergo, the coloring is unlikely to trigger any reaction even in the most hyper-sensitive of users. But, if you're concerned, then I would just leave them uncolored.
LexiT116 days ago

can i use something other than citric acid?

These were made by my 7-year old daughter, with our help. thanks for the recipe! She loves it! Before we learned her to make home-made soaps and now she wants to make a lot of soaps and bathbombs to give/ sell to her friends and classmates...^_^

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H1pp1eCh1ck27 days ago

How fun these are to make! It did take a couple tries to get the hang of it, but that's pretty standard when making your own products....patience is key!! I did make some adjustments to the recipe to work with my own mold, but have gotten great feedback from folks (and myself) regarding how great they are in the bath! Thank you!

SoapyHollow (author)  H1pp1eCh1ck27 days ago
Yay! Another point for our side. :) Glad they worked out for you. :)
franinmuc1 month ago

Hi there, These soaps look great! What kind of a place would I go to to get citric acid? And the essential oils - chemist I suppose. Thanks.

franinmuc, you can buy citric acid pretty much anywhere that sells canning supplies. I got mine at walmart for less than 3 bucks!

Hello there, I actually just bought some today from my local Smith's Market Place. I am sure any grocery store or Wal-Mart carries it. I had to ask the pharmacy for it; as it was behind the counter. Paid less than $10 for a tub of it.
Thanks for the tip. I'll ask around. :)
SoapyHollow (author)  franinmuc1 month ago
Also, pool stores often carry it, or you can get it from brambleberry or CamdenGrey via online orders.
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