Bath Bomb Recipe (Easy)

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You are here looking for an easy bath bomb recipe because you want to start making your own bath bombs. Right?

Well, let’s get straight to it then. The recipe follows. You can take it away and start creating, or read on and find out more about Bath Bomb recipes, and how best to use them to make your own bubbly bath bombs at home.

Easy Bath Bomb Recipe

  • 8oz baking soda (about 1 cup)
  • 4oz citric acid (1/2 cup)
  • 4oz sea salt
  • 4oz cornstarch
  • 2 Tablespoons of your oil
  • 3 teaspoons water
  • 30-40 drops of essential oils or powdered herbs

How to Make Your Bath Bomb

Don’t be fooled with websites telling you a bath bomb takes only minutes to make. By the same token, they are quick but not as quick as some would claim.

If this is your first time making DIY Bath Bomb then take your time to ensure you are getting exactly the right quantities and are mixing them well enough.

Taking short cuts will give you problems when removing from the mould, not to mention the final ‘look’ of your finished bath bomb.

You don’t want it cracking or falling apart as soon as you remove it.

Additionally, if the citric acid is not mixed evenly enough throughout your bath bomb, you may find it fizzing on one side and not the other, and you will get little movement or action once it is in the tub.

Bath Bomb Recipe Ingredients

Let’s get stuck into the basic ingredients required for your recipe. Keep it simple to start with and once you have perfected the process and getting them just right, you can start experimenting.

Baking Soda

The base ingredient for all bath bombs is the baking soda. Also known as Bicarbonate of Soda in the UK and Australia This ingredient works together with the Citric Acid to create your Fizz

Citric Acid

Whilst it is very common to find Baking Soda in the kitchen, you will be less likely to have Citric Acid to hand. Citric acid is inexpensive, harmless and is found in all citrus fruits. You can buy citric acid pretty much anywhere, health food shops or online.

Corn Starch

Corn Starch is what makes your bath bomb make the water smooth and silky on your skin. Again, a very popular item in a kitchen where baking takes place, it is a thickening agent for foods such as soup, sauces and custard.

Salt

Don’t be using your refined table salt, you will be disappointed with the end result. For best results try to get some readily available Epsom Salts. It costs a little extra but can make or break your Bath Bomb Recipe.

Oil

Olive Oil is great, and you’ll get good results from Almond Oil or Coconut oil too. You can use other oils, but if this is your first go at a bath bomb recipe, keep it simple.

Liquid

Water. As simple as that. It works but just make sure you get exactly the right quantities in the mix. Get it right first time and your mix will be neither too wet or too dry. An alternative to water for your liquid would be Witch Hazel. Again, readily available online or in store, this compliments the corn starch for that silky feel to your tub water.

Scent

This is where you can get experimental. You can of course start by making them scent free in which case add nothing, but if you have favourite smelling herbs, or essential oils hanging around, throw them in to create that aroma you love at bath time.

Colour

Natural dyes are best. Remember if using a liquid dye to compensate with your water or witch hazel by reducing that by as many drops of colour you add.

What Else Do I Need?

Measuring cups are great, and if you are used to baking you may be able to estimate, but as mentioned above, accuracy is key when starting out with bath bombs recipes, so..

  • Digital Measuring Scales: don’t cost as much as you think and are great for super accurate ingredient lists
  • Bath Bomb Moulds: With the simple recipe you can form your bath bomb in your hands, but there are hundreds of type of bath bomb moulds available in any number of shapes and sizes.

Bath Bomb Recipe Instructions (Method)

  • Take all of the dry ingredients, place them in a mixing bowl and, well, MIX! You can’t mix too much, so take your time and make sure they are all combined really well.
  • In a smaller bowl, take the oil, water and stir well. If you are using any essential oils, add them too.
  • Now slowly, just a few drops at a time, add the liquid to your dry mix. Combining the two together all the time with your hands preferably, (you can wear gloves) or with any other mixing utensil.
  • If you have mixed well, you can now test to see if the mix holds together. To dry and it will not. If this is the case just add another couple of drops of water, and repeat until the mix does hold.
  • Now make the mixture into your mould, whether that be your hands or some you have bought for your bath bomb recipe. It is worth giving them a little grease to ensure easy removal when they are ready. Just like baking! If you find the mix expanding in the 48 hours you need to leave them, just push it down again. Expansion in this period is normal.
  • When ready, remove and store in an airtight container until ready to use. We recommend using them within 2 weeks of completion, but I know your first ones will not last that long as you’ll want to try them straight away!