Picture of How To: Make A Bath Bomb
Bath Bombs set of 3

Having a soak in a warm bath is a great way to relax and unwind, but what would make it even better is if you added a DIY handmade bath bomb and turned it into a luxurious spa treatment creating a relaxing and harmonious environment to make you feel truly pampered.

Now a days luxuries like bath bombs can be expensive, so the next best thing is to make your own. Making bath bombs is fun and easy, you can make the basics or get creative by adding yummy fragrances, therapeutic essential oils and gorgeous skin softening agents such as dead sea salts, butters, oils, petals and multiple colours.

There are some ingredients that can be sourced right from your kitchen but if you are adding more specialist ingredients try your health food store or purchase from a supplier of ingredients for bath and body products. Check out this great recipe and step by step tutorial on how to make your own DIY bath bombs. You will impress yourself your friends and your family and they make great gifts that are loved by children and adults alike.

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Step 1: Equipment You Will Need

Picture of Equipment You Will Need

Kitchen scales

A large mixing bowl

A hand sprayer containing clean cold water

Some latex or vinyl gloves for sanitary and protective purposes, you should always wear gloves when making bath bombs as the citric acid will sting if it gets into cuts or scratches.

Eye protection is advised as fine powders can be very irritating to the eyes.

A Dust mask is advised as the fine powders can be irritating if breathed in.

A Sieve to remove any lumps from the mixture if required.

Suitable moulds to shape the bath bombs - If you can’t get your hands on a spherical mould there are many other options like ice cube trays, muffin trays, disposable shot glasses, chocolate moulds etc. Just hunt around your kitchen and I am sure will find something suitable.

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fiberartsy1 year ago

I love homemade bath and body products! Will give this a try :)

Rye Soap Kitchen (author)  fiberartsy1 year ago

Great, show me some pics when you have done them :)

bb72 days ago

If you live in Canada I recommend new directions aromatics website..they have a big warehouse in the Mississauga industrial park where you can pick up as well ..they also have a USA website.

alexr75 months ago

Those ingredients seem extremely hard to find. Can you get all these items at a health food store or do you have to go to several different places? Can you substitute some of the ingredients? Are they expensive?

bicarbonate of soda = baking soda. Citric acid found with canning supplies. Essential oils can be found at craft stores or make your own perfume place. Pretty much all of the ingredients can be found at a grocery store (though some don't carry citric acid year round or at all). The only thing that might be difficult to find is the essential oil for the scent. I have heard you can use cream of tartar instead of citric acid.

forerunneruk made it!2 months ago

Hi Rye,

Thanks for your instructable, you inspired me.

Here is my effort, which I made as Christmas presents this year :)


what happens if the bath bombs end up being too wet? I think i added a bit too much oil...will allowing them to dry longer help or is it a lost cause? :( mine stuck together well, but were way too wet i think

Thanks do much for the tutorial, I shall be making my first batch sooner now x
redford841 year ago

My wife"s allergic to citrus. Could I leave out the citric acid or is there a substitute for it?

Rye Soap Kitchen (author)  redford841 year ago

Sorry to hear this. Unfortunately not, its the reaction between the citric and the sodium bicarbonate that cause the fizzing.

Hi. someone said that they have had success substituting cream of tartar for the citric acid. they use it all the time because it is easier for her to source where she shops.

That would be something to look into, a citrus allergy is not the same as citric acid intolerance, citric acid is added to almost everything, and is naturally occuring in many things besides citrus. Someone who has a citrus allergy is reacting to proteins or other substances in specific citrus fruits.

Rye Soap Kitchen (author)  redford841 year ago

Citrus allergy and citric acid allergy are two seperate conditions, a citrus allergy is normally a reaction to limonene and protiens present in fruit and as additives in food which can cause a reaction when eaten. Limonene is not present in citic acid unless you have put essential oils in with it that contain limonene so a standard citric bicarb mix should be fine to use just be careful what you else you add to it. Hope this helps.

How long about dose this take?

i tried making bath bombs yesterday they seemed to go ok but after a while they sort of fizzed a bit on the outside and look a bit rough. Is there anything i can do to prevent this??

Rye Soap Kitchen (author)  Ellis Fisher1 year ago

Hi Ellis. You may have added a touch to much water which is the usual cause or it could be because the atmosphere was humid. I find its hard work when its raining here in the UK as they either don't hold together or they react like you are saying yours are. Well done for trying it out but don't give up. It takes a few goes to get it right. Just try again but with less water or if it was a liquid color you used maybe use less or try a powdered color instead. The way I test to see if I have added enough liquid to my dry mix is to squeeze some of the mixture in your hand and drop it in the bowl, if it stays squashed together on impact or near enough then that is when it is ready for molding. Hope this helps. Good luck and just message me if you need any more help :)

OldEd1 year ago


I strongly suspect that you mean "bath BALM", rather than "bath BOMB"...

Easy mistake to make - the two words are pronounced almost the same, and the "balm" does fizz a lot...

Thats what thier called in Canada 2, bath bombs. :)

Rye Soap Kitchen (author)  OldEd1 year ago

No I did mean bath bomb as that's what we all call them in the UK

I think they are very similar, but bath bombs are a thing too :)

khung1 made it!1 year ago

I bought the ingredients from a local supplier (googled it) and they came it today! I got red, yellow, and blue dye so I can eventually have 6 colors! Using the large plastic easter eggs as the mold, the recipe can make about 4 eggs. I found that I didn't need to spray with water. The oils alone seem to be enough. I look forward to trying them out!

It seems like online, the ingredients are pretty pricey. I'm looking for a more cost effective way to buy the ingredients. Any suggestions?

Rye Soap Kitchen (author)  khung11 year ago

Great eggs! Well done I am so pleased you have made some. I buy my ingredients from a supplier as they are cheaper than the supermarkets. I have found a few for you to have a look at. I am in the UK and I have ordered some molds off of bramble berry in the past and they sell bath bomb ingredients to, I like them and Anne Marie shows some good tutorials.

Hope this helps :)

Kethurston1 year ago

can I ask whair do you get the Citric Acid from? Ebay, Amazon?

Rye Soap Kitchen (author)  Kethurston1 year ago
Which country are you from?If usa I suggest bramble and if you are in the uk I would suggest just
amulder11 year ago explosions...
Rye Soap Kitchen (author)  amulder11 year ago

No bangs Just lots of fizzing

Ok, I was expectaing something like this:

Thanks and have fun!

You would need a surfactant like Sodium Lauryl Sulfoacetate to make foam like that. Using SLSa sort of removes it a beginners project

And SLS Really isn't something you need or want in your products, its not really good for you, they add it just because it happens to make things foam, and that makes people think things work.

Rye Soap Kitchen (author)  no_one131 year ago

I agree I have tried sls and it really dries the skin out,not nice stuff!

Well yes it is good advice not to use SLS - sodium lauryl sulfate but that it not what I said. I said SLSa Sodium Lauryl Sulfoacetate. SLSa doe have a function it, like SLS, lowers the surface tension of water making soap or other detergents more effective. It doesn't make people think it work - it works.

Rye Soap Kitchen (author)  Pierred351 year ago
Wow thats a whopper lol
phoe1 year ago

Do you know if these are OK to use in whirlpool baths ?

I seem to remember seeing warnings against using bath oils, because they can coat the pipework, but these amounts seem pretty miniscule :-)

Rye Soap Kitchen (author)  phoe1 year ago

The oil content is very low so I see no problem at all in using it in a whirlpool bath, how ever you don't have to add the oil to the bath bomb you can miss that bit out if you prefere, I just find it helps bind the ingredients and is nice on the skin.

SHIFT!1 year ago

Love the colors on these! They look even better than the store bought kind.

Rye Soap Kitchen (author)  SHIFT!1 year ago
Thank you, it takes a bit longer when using 3 colours but I love the effect its well worth it.

Plastic Easter eggs may work well for molds. We have some left over which are about the size of large goose eggs. They separate into two halves.

Yes great idea as the proper moulds can be rather expensive and also what an eggcellent eggcuse for buying loads of chocolate :)

sunshiine1 year ago

Thanks for sharing this. I have been needing to make more bath bombs and this inspires me to do just that. Your pictures are so pretty. Have a lovely day.


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