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How to Make Your Own Bath Bombs | Free Recipe

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Welcome to the start of my bath series using Essential Oils. I’m going to share 3 bath products that you can make at home. Today it’s how to make your own bath bombs.

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how to make your own bath bombs

My Lavender

In my effort to be a better gardener, I’ve made a conscious effort to prune my lavender. I love lavender in my garden. It’s relatively easy to grow as it is drought tolerant once established. Aside from the pruning, you don’t really need to do a whole lot with it. I have all sorts of lavender in my yard – shrubs, in pots and topiaries. I have both English and Spanish lavender varieties.

English lavender requires pruning after flowering. As I have 5 plants, that is a lot of lavender. It makes a lovely cut flower in the home and it also dries very easily.

Drying Lavender

To dry lavender, I simply made small bundles of around 20 stems, tied an elastic band around them and hung them upside down in our garage to dry. I left it for a good month to dry out.Once dried, I removed all the flowers and so now I have all this dried lavender.

I wanted to try making bath bombs. I wanted a good base recipe so I could add the lavender or any dried flower.

The Basic Bath Bomb

After spending a lot of time online researching different recipes, I did notice some consistencies, as well as options when it comes to making bath bombs. Interestingly, a number of these items can either be found in your kitchen or bathroom.

To make a basic bath bomb, you only need a few things.

Basic Bath Bomb Supplies

  • baking soda – this will react with the citric acid to create the fizzing; the one in your kitchen that you bake with is perfectly fine
  • citric acid
  • cornstarch – this will slow the chemical reaction down so that the fizzing will last longer. Certainly not essential but nice to have it last longer. You could do without this.
  • witch hazel in a fine mist spray bottle
  • bath bomb mould – the metal ones are the most common and easiest to use; they come in a variety of sizes. You will need 2 pieces to make a complete sphere.

This will make a very basic, albeit somewhat boring bath bomb. It will only fizz.

Bath Bomb Add-Ins

There are a number of things you can supplement the basic bath bomb with. The nice thing about this project is that you customize it to something specific – like how I wanted to incorporate my dried lavender. You could literally change it up every time based on these add-ins.

Keep in mind, that the more you add, the more complicated it will be. If making bath bombs for children or for people with skin sensitivities, use these sparingly and with caution. When in doubt, less is more.

add-ins
  • essential oils – these add a wonderful aroma to your bath. Many oils have additional.
  • powdered milk – great for making your skin soft, however, some people made be sensitive to the lactic acid in milk.
  • Epsom salts – good for your skin and acts as a muscle relaxant. Again, some people, especially children may be sensitive to Epsom salts. Some salts come scented already.
  • pink sea salt – nice for your skin and will also add a subtle pink colour to your bath.
  • either almond oil or coconut oil – makes your skin feel softer
  • mica powder for colour – mica powder is specially formulated for the skin. I would be hesitant to use food colouring as you don’t know how that would react to your skin. I would also be worried about it possibly staining the tub or tile.
  • dried flowers – these add a nice touch and make a bath like those you see on television. Sometimes, however, it can be a mess to clean up afterwards.

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baking soda
citric acid
milk powder
Epsom salts
almond oil
witch hazel
spray bottle
bath bomb moulds
mica powder

What I Like in My Bath Bombs

Keep in mind that the more you add in, the more this recipe will yield. Some of my favourite add-ins are the essential oils and almond oil, as well as the milk powder and Epsom salts.

Which Essential Oils to Use?

There are numerous possibilities when it comes to using essential oils in bath products. For someone starting out, it can be quite overwhelming.

To help get you started, here are some of my favourite essential oils to use when making bath products.

Tips for Making Bath Bombs

Now making bath bombs or bath fizzies, as they are also called can be somewhat finicky. It is important to control the amount of moisture in your mixture. Too much moisture and it may hold its shape at first but then fall apart on you. Too little moisture and it won’t hold its shape at all.

My First Bath Bombs – Crafting Fail

My first attempt was not great as you can see. Think of it as the “first pancake”. It’s okay to just give it another go.

Now that I have the hang of it, I find that I am way more consistent now when making them.

Important Tip

“I found the best way to control the moisture was to put the witch hazel in a spray bottle and just spritz as you go. In my first couple of attempts, I just winged it by putting a tablespoon of witch hazel directly in. The trouble is, it started to fizz already. By spritzing, it cuts down and limits the reaction. You want to save the fizzing for your bath!

I’ve made a few batches of bath bombs and to be honest, I can’t really tell you exactly how much of the witch hazel went into the mixture. There are many factors like humidity that affect the amount that is used.

I found that metal moulds work easier than silicone moulds. I find them more delicate to handle when trying to remove from the mould. Perhaps if I made several more batches, I would be better with the silicone moulds, but if you are starting out – just get a metal mould. You only need one as they don’t stay in the mould for long.

how to make your own bath bombs
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How to Make Your Own Bath Bombs

I like to use disposable gloves to make bath bombs as I have sensitive skin. I have heard that citric acid can damage nail polish, so that may be another reason to wear gloves.

Put all your dry ingredients together in a bowl – baking soda, citric acid, and any of the dry add-ins.

Once mixed, add in the coloured mica powder, if using. A little goes a long way. The amount you add depends on the colour you want. When in doubt, start with less and work your way to more. Keep in mind that when the bath bomb gets wet, the colour intensifies and becomes darker.

Add in your almond oil and essential oils if used. Mix with your hand until it is evenly distributed throughout the dry ingredients.

Now comes the fussy part. With one hand in the bowl to mix and in your other hand the spray bottle of witch hazel, you’re going to spritz the mixture a few times and then mix.

So you’ll spritz a bit and then mix a bit. You’ll do this a few times until you get the consistency of wet sand. Squeeze some in your hand and then relax your hand – the mixture should keep the shape when you squeezed. If it falls apart and can’t keep its shape, spritz and mix again. It’s kind of like how brown sugar sticks together when firmly packed.

Once your mixture is ready, you can form the bath bombs. The metal mould consists of 2, half spheres. If you are using dried flowers, like the lavender I have, put a small pinch in one empty half of the mould before adding the mixture. This will result in the flowers at the top.

Generously fill each half-sphere.

Push the 2 halves together to make a complete sphere.

Brush, or scrape off any of the excess that oozes out the seam.

Remove from the mould immediately. Gently twist each half to get it off.

No worries if it falls apart – you can pack it in again. Sometimes if I don’t put enough of the mixture in, it doesn’t compact enough to hold its shape. You may also need another spritz or 2 of the witch hazel. This can happen if you don’t thoroughly mix it together – only some parts are wet enough while other parts are still too dry.

Put in a muffin tin lined with waxed paper or parchment paper and allow to dry overnight. The muffin tin helps keep its round shape and prevents them from rolling away. A cookie sheet would also work – you may get a slightly flattened bottom.

It was a dry, sunny day so I let these dry outside.

The next day you can package up or put them in an air-tight container to keep in your bathroom. Keep in mind that the longer you wait before you use them, the scent of the essential oils will dissipate and fade. You could always add a drop or two directly to the bath bomb before gift-giving or right before your bath in order to freshen it up.

how to make your own bath bombs

How to Make Your Own Bath Bombs

Yield: 5-6 bath bombs, depending on the size of your mold
Prep Time: 15 minutes
Total Time: 15 minutes

These easy to make bath bombs make great gifts or a treat for yourself at home.

Materials

  • 1 cup baking soda
  • 1/2 cup citric acid
  • 1/2 cup cornstarch
  • Witch Hazel in a fine mist spray bottle
  • 1 tbsp almond oil
  • 10 drops essential oils of your choice

Optional Add-ins

  • 1/4 cup Epsom salts
  • 1/4 cup milk powder (substitute for cornstarch)
  • 1/4 cup ground oatmeal
  • 1/2 tsp mica powder for colour
  • Dried flowers, such as lavender

Tools

  • mixing bowl for dry ingredients
  • gloves (optional)
  • bath bomb mould

Instructions

  1. In a bowl, mix together the dry ingredients - baking soda, citric acid and corn starch.
  2. If you are using any of the dry add-ins, add to this dry mixture and mix well.
  3. Add the almond oil and essential oils. Mix to evenly distribute.
  4. Spritz the mixture with witch hazel and mix. Repeat this until you have the texture of wet sand and it is able to keep its shape when squeezed.
  5. Gently pack the mixture in your bath bomb mold.
  6. Unmold your bath bomb and let sit out to completely dry.
  7. Allow to dry overnight.

Notes

There are several options for essential oils. I used lavender. There are several other options including peppermint, eucalyptus and tea tree.

Add some dried flowers to one half of the mold before filling. This will result in the flowers being at the top. Alternatively, you could also add more to the dry mixture so that they are throughout.

Here is a video of me making the bath bombs.

Check out my video on YouTube

These make wonderful gifts. I love how they turn out. You just have to get used to getting the consistency right. Once you’ve got that down, bath bombs are quite easy to make. I look forward to having baths with these.

how to make your own bath bombs

I made some simpler ones for children. They have fewer ingredients. I only added milk powder to the basic recipe. I also added in almond oil and doTerra’s Wild Orange essential oils for these. They smell so good.

how to make your own bath bombs
Lavender & Wild Orange Bath Bombs

Don’t just stop there! Look at these ways to take your bath bombs to the next level!

Want to Take your bath bombs to the next level?

How to Paint Bath Bombs

Want to Take your bath bombs to the next level?

How to Make Ombre Bath Bombs

Be sure to come back tomorrow and see what bath product I share with you!

Here’s a sneak peek:

Want to remember how to make your own bath bombs? Be sure to save this to your favourite Pinterest board.

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