Not Martha

to make: bath bombs

bath bomb

By far the best bath bomb recipe and instructions I found in my search are given by Brenda Sharpe (thank you Brenda!). So go there and read those and look at great the photos. Ok? Ok. She mentions the need to keep the bath bomb mixture as dry as possible, but I live in a very damp climate. My first few attempts failed pretty miserably because of this. The problem is that the instructions call for you to mix all the wet ingredients together, which is great, but since my baking soda is pretty well moist without me adding anything to it, none of my skin-softening oils or yummy smelling essential oils were making it into the bomb either. So I made a few changes to the process. But first we must discuss a few things. Please remember everything contained here is my opinion or based on my personal findings and preferences. Use at your own risk. I haven’t hurt myself yet.

skip to: notes | instructions | afterthoughts

on where to get the ingredients
Baking soda is baking soda, you can get it in any grocery store. Epsom salts you can buy in any drugstore, in the medicinal aisles — it usually comes in a cardboard quart or pint milk container, somewhere around with the rubbing alcohol and bulk petroleum jelly. I have gotten essential oils of peppermint and rosemary from Majestic Mountain Sage, and From Nature With Love has been recommended to me. A quick warning, I bought a few oils online that I wasn’t happy with. Best bet is to buy essential oils from a local natural foods store that you can sniff first. They may be a little bit more expensive, but I find that it’s worth it. Mail order essential oils are best for hardcore soapmakers who are using ounces of essential oils at a time. Citric acid is where you’ll probably have the most trouble. I have been getting mine from Majestic Mountain Sage, I buy the 5lb, the smaller container goes surprisingly quickly. I haven’t had any luck finding it in stores, though I hear that you can find it in larger quantities for a good price at brewing and winemaking supply stores. The nut oil that you choose can be found in the cosmetics section of natural foods stores, or from Majestic Mountain Sage, I haven’t tried using any oils that you might find in the specialty section of cooking oils, although I have seen a number of recipes that call for nothing more than olive oil, so I suppose it’s up to you. Also see the supplies list at the Toiletries List.


a note about corn starch
update Feb. 19th, 2003
This space used to say:

It is used in many bath bomb recipes to make the bombs float, however I have read that corn starch can exacerbate yeast infections and can interfere with skin conditions. I have not found corn starch as an ingredient in any commercial bath bombs and, going upon the assumption that that is why, I leave it out. It’s true that without it the bombs are less likely to float, but you know, ack. Mine seem to float, or rather try to launch themselves right out of the water, the fizzing is so strong.

Turns out I was wrong. Wrong wrong wrong wrong. Commerical producers apparantly don’t use corn starch because it is more expensive, and cornstarch is fine for you, it’s actually great for you skin. That stuff about yeast infections I did indeed read a few different places, but let’s just assume they were wrong as well, wrong and paranoid. I’ll adjust the recipe as soon as I make a new batch. Which, sadly, could be a while since my current place has a small, shallow, miserable tub.

a note about salts
I use epsom salt because it’s cheap and there isn’t enough in the recipe to justify using expensive bath salts. Some recipes I’ve found are a bit unclear about what type of salt you’ll want. It’s best to stick with either Epsom salt or a sea salt intended for use in bathing. From what I can tell cooking salts that have been iodized will be drying to your skin.

a note about the molds
I also use clear plastic snap-together Christmas ornaments to mold the bombs. I got them from Craftopia when they were still around (they had three sizes), and found some at a local craft store, you can also buy a dozen 57mm (a good bath bomb size) here at the Oriental Trading Company. They do not produce perfect spheres, you can usually see the imprint of the seams in the finished bomb. If you’re striving for perfect spheres (I do not suggest this) I have heard a suggestion of using a meatball shaper (of which I have yet to actually find in existence), and I have found good sized (2″ to 3″ diameter) metal molds which come in clean half spheres at Sur La Table (I didn’t know what they were for until I saw an ice cream bombe spread in a Martha Stewart and there they were!), although they currently don’t have one on their Sur La Table. The ornaments also come in shapes (usually Christmas ornament related like bells, or hearts). You can also use any candy mold, I read people have a lot of success at this and that the bombs show shape very well, or pretty much anything else that makes a pleasing shape and seems like it would unmold easily enough. Be aware, that the mixture does scratch the plastic of the molds I use, so if you’re thinking of using an object near and dear, test it for scratchability first. Also keep in mind that you will need to apply a significant amount of pressure, so make sure whatever you use is up to this.

a note about scents
I prefer essential oils. I have purchased a few fragrance oils online and am consistently disappointed with the quality. What was I expecting? In one particularly bad incident I had to go to bed stinking of very fake chemical raspberry because it would not wash off. Fragrance oils may work great for soaps, but I don’t recommend them for bathing. I feel so naive.

ingredients
ingredients

ready to sift
add togther baking soda, epsom salt and citric acid in a collender to sift together

ingredients

1 cup baking soda
1/2 cup citric acid
1/2 cup epsom salt

2 1/2 tablespoonss grapeseed, sunflower, or almond oil (or any nut oil is good)
3/4 tablespoon water and liquid glycerin
1/2 teaspoon or so essential oil (2.46 ml)
a good dust mask

instructions

I first measure out the baking soda into my work bowl (I use a large, cheap plastic one) and drop the essential oil and grapeseed oil directly into it, and mix until combined, it’ll look fluffy. (If you are making a large amount, you may want to take some baking soda into a smaller bowl, mix in the oils, then add that back to the larger bowl and mix in well.) If you’re not fond of bath oils leave out the nut oil at this step.

take a little to add oil and scent
taking a little out to add grapeseed oil and essential oil, in this case peppermint and rosemary

mixture appears crumbly
when added back to mixture and whisked in the misture appears crumbly

mixture is ready when sticks to self
it is ready when it holds when you press it togther

If you’re going to add color now is the time to do it. I have only experimented with small amounts of food colorings, not yet any dry pigments. If you’re going to go this route remember, make sure the food coloring doesn’t contain sugars, for the same reason we’re avoiding corn starch (see note above). I take a smallish amount of the mixture and separate it into a smaller bowl. Drop the coloring in a few drops at a time and mix, it should disperse after a while, make the color more intense than you intend it to be for the finished product. When it’s mixed, add it back to the mixture in the bowl and whisk until evenly dispersed. This will probably not be enough coloring to affect the color of the bath water itself. I’ll be looking into pigmenting the water in a little bit, or see the notes at the end of these instructions.

packing lightly into halves of mold
molding: step one

pressing molds together
step two

pressing molds together
step three

pressing molds together
step four

The citric acid and epsom salts will probably come in a fairly chunky granulated form, you’ll want to get them finer, about the consistency of superfine baking sugar or a heavy powder. I run mine through a coffee grinder I reserve for this purpose. Most of the bath bomb recipes I’ve found keep to a 2:1:1 baking soda:citric acid:salts ratio, which seems safe. But this isn’t baking so the measurements can be sloppily approximate without ending in disaster. When ground to a powder the citric acid will float in the air and make you cough (well, it makes me cough), use a mask and keep the area well ventilated. Whisk or sift the dry ingredients together really well to get the citric acid dispersed evenly throughout.

[update: see notes from 06.23.01 below regarding this step.]
I bought a few tiny spray bottles from Sunburst bottle which I use to moisten the mixture. I pour the oil/glycerin/water mixture into this and shake it before spraying. I usually only need two squirts to get the mixture to a moist crumbly stage at this point. I whisk the mixture while spraying to keep things moving. It’s very true that if you get it too wet it will set off the reaction even if it doesn’t appear to. As a result the bomb will not fizz when you’re ready to use it. It sort of crumbles in the bath, it’s not very pleasant.


I mold the balls as Brenda Sharpe instructs — it took me a little bit of practice to get it so that the balls didn’t just crumble in half, I fill each half of the ball, pat it in lightly, stack more on top of each side and push them together pretty hard. I let them sit for a few moments in the mold then unmold them veeeery carefully (don’t twist!) by allowing them to fall out of the mold one half at a time. I set on a clean kitchen towel, and put another one on top. This seems to keep them dry enough. If they begin to react you’ll see little, well, warts appear on the surface, eeek. A fan running in the room often helps this. I let them dry wrapped loosely in towels for at about a day. Some people put them in the oven. Some people sort of “cure” or harden the outer layer by spritzing them with witch hazel. Neither of these appears to work well in my climate. Sigh.
let set still molded for a few minutes
I let it set molded for a few moments, then carefully let it fall out of the mold one half at a time

I have a special little mold
I bought a tiny mold which works great for what mixture may be left over

set the bath bombs in a clean, dry towel
finished bath bombs, the large ones the size of a large plum or small apple

allow to dry for about a day
the bombs will dry wrapped in the towel and placed in a dry room for about a day before I wrap in tissue paper, then plastic wrap until ready to use


ta-da
Now, use soon! They don’t keep long, and you might end up with something that will not fizz at all if they grow stale. Be aware that if you added bath oil to the bomb it will leave the surface of your tub slippery, so be very careful. If you’re mailing to a friend be sure to instruct them as such — when shipping I find it’s nice to wrap in clean paper, then plastic over that.

I added these instructions when giving as a gift:

instructions for use:

1. fill tub full of yummy warm water

2. gather beverage (something hot and coffee-like is nice), reading material, and various bath accessories of your choice

3. tell everyone around you who is making noise to shut up for a little while

4. place self in bath

5. don’t forget to have a towel within reach so you don’t get your reading material wet

6. drop in bath bomb – it will fizz

7. relax

8. now, isn’t this nice?

9. music or NPR is also good

* will not explode, i promise!

bath bomb ingredients: baking soda, citric acid, epsom salt, sunflower oil, glycerine, water, peppermint essential oil, rosemary esential oil

some things I have wanted to try but haven’t, yet

  • making bombs of layers of color
  • putting rose petals or calendula petals or peppermint leaves (warning: messy post-bath clean up)
  • using a dried colorant from Sunfeather or something like Tub Tints to either color the bath bomb or hide in the bomb as a “surprise! your bath is turning green” type of thing, but colorants which will not color the skin!

some things I have tried and have failed miserably at

  • I had this grand idea that I would hide entire gift sets inside of super large bath bombs. I could fit a small tightly folded washcloth, a small rubber ducky, some of those sponge pills, a small glycerin soap and a nail brush which would pop to the surface as the bomb worked away. Problem: it won’t hold, it really won’t, a bomb that big won’t hold even with nothing inside of it.
  • hiding other things inside, namely, a collection of foam letters or number that would pop to the surface. Problem: no matter what recipe I tried and what size bomb I tried, it won’t hold together because the foam letters have too much give to them.
  • hiding small, hard things, like a plastic ring. I had some luck with this. However, as the bombs dry, often a chunk would develop cracks or fall off completely, exposing the secret inside, negating the entire point.
  • my favorite idea I realize wouldn’t work before I even tried it: Making a bath bomb from a Mexican Sugar Skull mold and hiding a glycerin soap the shape of a brain inside! Either that or something involving baby head, brains or skulls. I’m still determined to make this work somehow. I’ll keep you posted.

Ummm.. what else? Don’t store the bombs in metal because the of the corrosive properties of the salt, avoid storing them in plastic zip-loc type bags or cellophane, I have heard reports that the plastic eats the scents, and a few mysterious reports of lavender essential oil going bad when stored in cellophane, and try to store them either sealed or in a dry area. Don’t use them if they look or smell funny, don’t run with scissors, call your mother.

A great place to learn more and get your questions kindly answered is the mailing list at Toiletries Listservice, instructions to sign up are on the first page. The site itself catalogs recipes and information about ingredients and safety. This is a very nice bunch of people who are eager to help and and have an immense collective knowledge, even if you’re a quiet lurker you’ll learn a lot.

If all else fails, order a bunch of fabulous bath ballistics from Lush [Great Britain|Australia]

For the sake of comparison I tried out some fizzballs I bought at Loft. It was nice, not very fizzy, and smelled to perfume-y for my taste. Oops, I just noticed one is supposed to use one ball for two baths. But the scent did stay longer than the bath bombs I’ve made using essential oils. Also, I like the addition of some oil for my poor poor skin.

06.23.01 notes

The batch I made to take the pictures above was different in a few ways. I was feeling lazy so I ground the epsom salt and made it through only half of the citric acid before I gave up and just dumped the rest in. I’ll let you know of this affects how fizzy the bomb is when I get around to using one. When I added the bath oil (grapeseed oil in this case) I didn’t measure, just poured a bit in, and added about twice as much essential oil to see how that would work out. When that was added back to the mixture as a whole, it was ready to be molded, so I didn’t use any of the oil/water/glycerine mixture. Which is great because there is always the chance you will set the mixture fizzing. The mixture molded and unmolded without any problems, we’ll see if the bombs hold together.

I meant to attempt to make colored bombs, but like I said, I was feeling lazy.

update: This batch came out badly, in crumbs, yuck. I’ll try again.

09.18.01

One thing mentioned at Lush and by a few people is that if you have or make a bath bomb with botanicals in it but don’t want them sticking to you or your tub, you can stick the bomb in the end of an old nylon or some loose fabric (cheesecloth or guaze) and it will catch all the little buggers.

update Jan. 3rd, 2007
A whole lot of great bath bomb instructions have appeared on the internet since I originally made these. I encourage you to hop over to Excellent Living to get the free 48-page PDF guide to making bath bombs, see her articles about making bath bombs and try this basic recipe.

198 Comments

198 responses so far ↓

  • 1 Jay // Jan 16, 2010 at 11:18 pm

    Hi. Have any of you seen citric acid in the baking aisle of your local supermarket? It may not be specifically designed for this particular use but I use it sometimes and it works absolutely fine.

    I’ve tried layering colours and it has a very pretty effect.

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  • 4 Spearcarrier // Feb 19, 2010 at 8:38 am

    Hi there!

    My roommate uses the recipe you have here, including the corn starch. I didn’t know about the possible yeast infection connection.

    But…

    Guess what I *always* get if I use the tub after she’s done one of those bath bomb baths?

    … I didn’t used to suffer this much with things like that before.

    Not saying it’s a definite, but am certainly noting the connection and banning her bath bombs until further notice.

  • 5 Heidi // Feb 26, 2010 at 11:34 am

    I love your sugar skull idea, and I think if you mad a bath bomb brain inside a soap sugar skull that would be cool. Then when you are in the tub and you wash off enough soap, the brain inside would explode. Also, for colored bombs (thought I don’t advise on colored bombs because of thr whole tub cleanup) you can dump a pack of coool-aide in your recipe- it is just citric acid and colorant.

  • 6 Focus sur: les bombes de bain : // Mar 18, 2010 at 12:52 pm

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  • 7 Amber // Mar 25, 2010 at 9:53 pm

    I read that it works best if you grind up the dry ingredients so they are really fine before making the bath bombs. So, I mixed the baking soda, epsom salt, and citric acid together and threw them in my mini food processor for a few seconds. When I went to take the lid off – POOF – a loud popping sound happened, the lid came off with a force and powder flew out everywhere. It also smelled very hot. I’m no scientist. Any idea what happened there?

  • 8 Kayley // Apr 7, 2010 at 6:41 pm

    re borax: borax is used in tons and tons of bath/beauty/cleaning products we use everyday…and using your numbers provided, you’d need about 1 oz/bomb, and most recipes call for something more like 1/2tsp per batch, with that batch being composed of 2 cups total dry ingredients. so, to get that 1 oz of borax you’d need to use 12 batches of bomb mixture per bath. i’m fairly certain this is a null concern.

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  • 10 Jeanne // Jun 17, 2010 at 5:18 pm

    For molds, I used a cupcake pan lined with cupcake papers and that worked great. I cut some daisies from the garden and put the flower in the bottom of the mold. When unmolded there was a pretty flower on the top of the bomb! I also put some fresh lavender flowers in the mix and that was great too. Just a little messy in the tub, but worth it.
    When mixing, add the liquid VERY slowly, whisking the whole time, to prevent the citric acid from going off

  • 11 Beth // Jun 30, 2010 at 1:46 pm

    Enjoyed reading about your bath bomb adventures, best of luck with your skull and brain idea, sound great! I noticed you had mentioned something about a meat-baller…IT WORKS GREAT!! (for me). I’ve used my mini food processor without any problems. I’ve also used a hand held/operated sifter. It works just fine, can make your arm tired, but it’s exercise and works out your hand and arm, bonus!! I would NEVER think about using a dry cool-aid packet to color bath bombs… dust a little cool aid powder on your counter top, sprinkle a few drops of water on it and after a few minutes wipe it up… (got color stain??) and lastly I’ve considered using flower petals, leaves, glitter etc… in my bath bombs, but the after clean up mess just wasn’t appealing…so I thought why not put “those” type of bath bombs into a piece of nylon stocking and tying it off with a nice bow/ribbon?? It should catch most everything & clean up is a snap! Happy bath bombing!!

  • 12 Annie // Jul 21, 2010 at 7:07 pm

    I get all of my makeup/brushes from this site and they also have ingredients for bath bombs that are cheap! Also has a starter kit.The site has a really good reputation too. Thought this would help any wanting to making bath bombs!
    http://www.coastalscents.com/cfwebstore/index.cfm?fuseaction=category.display&category_ID=2

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  • 14 LCMayzl // Aug 13, 2010 at 6:55 am

    I’ve been making and selling bath and body products for a few years now, and this year decided to try bath bombs…using my foaming bath whip as frosting, and shaping the bombs in a cupcake mold.

    The recipes I’ve used all use witch hazel spritzer, and well, while they have kept shape and dried properly, the witch hazel causes them to be a uniform ugly yellow — looks like bad baby poop…I guess I will try this method using either rubbing alcohol spritz or oil/glycerin spritz.

  • 15 Gourmet Nuts // Sep 28, 2010 at 10:19 pm

    I have both purchased bath bombs and made them myself and I really enjoy just sitting back and relaxing in a hot tub with a nice bath bomb no matter if it’s purchased or homemade:)

  • 16 norma // Oct 15, 2010 at 8:00 am

    I’ve been trying for years to get this bath bomb thing down. I think I finally got it!

    thanks for this wonderful tip!

  • 17 Abbey // Nov 18, 2010 at 1:00 pm

    If you know where any Indian or Pakastan grocery stores are located near you check them out for bath bomb ingredients! Most carry a wide variety of oils, as well as cheap cheap cheap citric acid powder, sometimes labeled as lemon Phool, and dry pigments. the pigments dont show a lot of color dry but WOW when they get wet! a little goes a long way too! Also cake supply shops are great for oils! Look for candy flavoring oils, they come in small quantities but are relatively cheap compared to most essential oils. Also all of the edible glitters and food colors work great for the bath bombs! The edible glitter melts away so no mess in the tub! The paste colors are great, they take a while to mix into the dry ingredients but the results are very nice and no fizzing like liquid colors. I have found various chocolate molds that are super cute for bath bombs and smaller items like face tabs and shower bombs.

  • 18 Misty // Dec 1, 2010 at 12:34 pm

    I was reading the comment about botanicals and i thought that if you wanted to make it functional and look nice for delivery and use you could purchase some of those pretty sachet bags used for potpourri( think i spelled that wrong). the ones with the little ribbon tie that are made of mesh. just instruct the user to drop the entire thing in the tub. Just and idea i thought would work for my own gifts when i try this.

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  • 20 Frosty // Dec 10, 2010 at 2:13 pm

    Citric Acid can be found on ebay

  • 21 Donna Barr // Dec 18, 2010 at 12:35 pm

    Been saving this recipe until I could drag all the ingredients together. Including my homemade sea salt from Clallam Bay: http://www.sekiu.com

    Our co-op — recently used as a model for the county, the state and the USDA — gets me this stuff!

    Thanks for posting the recipe. Now onward to get myself into even more trouble mixing up stuff.

  • 22 Jill // Apr 24, 2011 at 7:41 pm

    For the smaller “pedicure” bombs, I recommend using Amazon.com to order Rainbow Putty Balls:
    http://www.amazon.com/Rainbow-Putty-Balls-1-dz/dp/B0046E7FS6/ref=sr_1_4?ie=UTF8&qid=1303699065&sr=8-4

    I recommend Amazon.com as well for Citric Acid:

    http://www.amazon.com/Spicy-World-Citric-Acid-10-Pound/dp/B002DCPR9C/ref=sr_1_12?ie=UTF8&qid=1303699121&sr=8-12

    My BB recipe:
    2 cups baking soda
    1 cup citric acid
    1/2 cup kosher sea salt
    1/2 cup extra virgin olive oil
    1 tsp water
    colorant as desired
    Always works, never have had problems crumbling, dries hard.

    Good Luck!

    – Jill :)

  • 23 Wholesale // Jun 13, 2011 at 11:43 am

    Nice! Can you put something in it that will add color to it but not enough to color your skin when you finally use it to bathe? (hope that makes sense lol)

  • 24 Linda // Aug 31, 2011 at 7:17 am

    Hi Megan

    I made bath bombs with kids in a youth club. We used shaped ice cube trays (from Ikea) to make nice wee ones. These went down really well with the kids cos they weren’t too strong and went further therefore saving money.

    Linda

  • 25 Bubble Bath Secrets // Oct 4, 2011 at 7:50 am

    Hi, Learn how to Make Homemade Bath Bombs?? Check out here: http://bubblebathsecrets.com/making-homemade-bath-bombs/

  • 26 Linda // Nov 7, 2011 at 8:08 pm

    Has anyone tried cupcake wrappers and a cupcake Pan? Cupcakes are trendy and they seem a little more forgiving…could add glitter, sprinkles etc please let me know. Thanks

  • 27 Morgan // Nov 9, 2011 at 10:22 am

    I want to make my bath bombs more chalky and soft but still hard (just like chalk actually). I will be very impressed if someone could figure this out! Love this site by the way.

  • 28 Sheila Wood // Nov 21, 2011 at 7:18 am

    Thank you so much for making my day!
    Your instructions for bath bomb manufacture were so clear and all the tips and tricks were really welcome -it’s nice to know what to avoid before you start – so time saving ;0)
    Thanks also for the wicked sense of humour – I laughed so much, I was in real danger of something going ping. I’m off now to get started. Oh how I love a new project and I’ve got your gingerbread mug houses next on the list. weeeeehhaaa!

  • 29 Sheila Wood // Nov 21, 2011 at 7:20 am

    By the way, it’s almost impossible to buy citric acid powder in the UK at the moment. I searched every outlet in our town and eventually found that it isn’t stocked because drug users use it to cut drugs. One pharmacy let me have some but they were only allowed to sell me 50gms. Tiny bath bombs then :0)

  • 30 Sarah // Dec 1, 2011 at 5:50 am

    Citric Acid can be bought in bulk for super cheap at Brambleberry.com

    The plastic snap balls I found at my local Michaels store -don’t bother trying to find it through their website, just go inside and ask a sales associate. I would never have found them in the store without asking.

    My bath bombs flattened out, any tips on getting rid of the pancake effect on the bottom when they sit? Possible too wet?

  • 31 Sarah // Dec 1, 2011 at 5:52 am

    Linda – http://www.brambleberry.com/Bath-Bomb-Cupcake-Kit-1-Kit-P3255.aspx

  • 32 Victoria // Dec 13, 2011 at 8:00 pm

    For anyone who lives in Seattle, there’s a little shop in Issaquah (half an hour away) that carries citric acid called Champion. Save you the expense of shipping :)

  • 33 Jessica // Feb 14, 2012 at 11:35 am

    Citric acid can also be found at Whole Foods. you vcan buy it in bulk or in smaller portions. Almost all ingredients are there!

  • 34 Laurie // Mar 4, 2012 at 5:57 am

    There is nothing available in the URL for the Bath Bomb. Is there another way to get the recipe?

  • 35 Jessica // Apr 3, 2012 at 4:22 pm

    Laurie – I found it at http://www.stretcher.com/stories/990329m.cfm

  • 36 Linda // Jun 10, 2012 at 4:39 pm

    You can by citric acid at Mediterranean food stores

  • 37 Linda // Jun 10, 2012 at 4:40 pm

    Sorry! I meant to say Middle Eastern food stores. Or, kosher stores

  • 38 victoria // Jul 18, 2012 at 5:34 pm

    i have an idea for those who need a ball for the molding, how about some squinkie balls. A squinkie is a child toy that is rubber and shaped as an animal and painted. they each come in a ball and it is sort of easy to open.

  • 39 Nikki // Aug 25, 2012 at 8:40 pm

    This is perfect, thank you much for sharing! I have been taking a lot of salt baths recently and tried a few bombs by Hugo Naturals. I am going to give this a try. :)

  • 40 Soapa // Jan 5, 2013 at 8:29 am

    Soap Goods is a good place to find citric acid. Also Bulk Apothecary has good prices. Tbk trading has good prices on color. It’s nice to see so many people making bath products. I love the bb with botanicals. It’s like bathing in the ocean. A pretend ocean that you can control. Ha! (nice blog btw)

  • 41 Tammy // Apr 16, 2013 at 12:52 am

    Easter eggs work wonderfully! Also, the dollar general store has $1 ice trays which are actually little cube shapes and are silicone…works nicely and really good size for a regular bathtub.
    Citric acid, it took forever to find, but I finally found it at Walmart in the same isle with the Ball canning brand kitchen things. It was in a very small bottle but it was enough for about two batches of bath bombs. Citric acid seems to be so much cheaper to buy online though.

  • 42 Rebecca // Aug 9, 2013 at 12:03 pm

    Ha..so I just decided to try making BB today. Got my mold from get this… a coin operated vending machine! 50 cents and voila..out came a plastic toy and a mold..but my BB doubled in size as it dried. NOT GOOD. Guess I will have to start over…lol.. But that’s the fun of it, right? Oh, and I didn’t use your recipe or the other one(s) you featured either so I guess that is why I failed.

  • 43 Diane // Sep 16, 2013 at 4:57 am

    Great instructions easy to read. When I’m on a crunch I got SimplyOrganico.com. They have Bathbombs and cupcake bombs among other things for the lowest price I found if you include shipping.

  • 44 bcgeogirl // Sep 20, 2013 at 11:16 am

    you can use arrowroot starch instead of cornstarch and it works just as well.

  • 45 Diane // Oct 14, 2013 at 1:34 pm

    borax should not be used.

  • 46 Sophie // May 11, 2014 at 2:25 pm

    @Alex actually Lush’s bath bombs with glitter do not stick to your tub. I bought Phoenix Rising one time, and it has a crapload of gold glitter. I did not find a single speck of glitter in my tub afterwards. And no, glitter with not stick to the tub since it will be washed away with the water from your tub when emptying it.

    Hope this helped!

  • 47 Laura // Dec 6, 2015 at 10:19 am

    I found citric acid at Walmart with the canning supplies

  • 48 Wika // Dec 13, 2015 at 2:59 am

    When I spoke to a Lush representative they said their glitter was made from seaweed.

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