Lavender Bath Bombs

03 March 2020 by Natanja

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    Fragrant lavender bath bombs with skin loving ingredients that are easy to make.

    Two toned lavender bath bombs on marble tray

    Bath bombs are a wonderful addition to a relaxing bath. Not only do they provide skin nourishing ingredients, they are also fun to watch as they fizz up in the warm water. There are so many different ways to scent and color them. In fact, bath bombs are a great way to utilize a variety of herbs or flowers from your garden or any essential oils you have lying around. For today’s DIY, we are making a calming lavender variation which incorporates lavender oil as well as dried lavender buds. 

    As you can tell from the multitude of lavender recipes, we love using this fragrant flower for various things, whether in DIYS or in food recipes. Lavender has natural soothing properties which makes it the perfect addition to DIY skincare. Some also accredit lavender essential oil to combat symptoms of anxiety and stress. In addition, a pilot study has suggested that the scent of lavender can also help alleviate emotional symptoms related to pms. Whether or not these claims are true for you, it’s at least worth giving lavender a try.

    Lavender bath bombs decorated with dried lavender buds

    That being said, we advise to use caution when using essential oils. Pregnant or nursing women should consult a physician before using essential oils. If small children or pets are in the home, be sure to store your essential oils out of reach. Some essentials, while safe for humans, can be toxic to pets, so please do your own research before using them in your home. 

    Okay, now that we got all that serious stuff out of the way, let’s take a look at the ingredients for our bath bombs. 🙂

    Ingredients for lavender bath bombs

    While these bath bombs require ingredients you might not have at home, you can find all the needed things on Amazon. In fact, Amazon is the perfect place to search for DIY skincare ingredients, especially if you want to save some money on otherwise sometimes pricy ingredients.

    Ingredients needed for the lavender bath bombs

    Each ingredient in our bath bombs has its own purpose.

    Making bath bombs isn’t complicated, but those who are new to the process may find step-by-step photos helpful, which is why we have included them. Feel free to skip right down to the recipe though, if you don’t want the extra info. 

    To begin, thoroughly combine the dry ingredients. Make sure to sift the baking soda to remove any lumps before combining it with the rest of the ingredients.

    Combining the dry ingredients for the bath bombs

    Combine the essential oil with your carrier oil (in this case, we are using sweet almond oil) and add it to the dry ingredients. Use your hands to distribute it evenly.

    Adding sweet almond oil to the dry ingredients with a spoon

    Fill the witch hazel into a spray bottle and spritz it onto the bath bomb mixture. Use one hand to spray and the other to mix it all together. Your bath bomb mixture should resemble the texture of crumbly sand.

    Spraying the bath bomb mixture with witch hazel

    You’ll know that your mixture has the correct texture if it holds its shape when you press it together like so. If the mixture is still too crumbly, add more witch hazel.

    Squeezing the mixture to test if it has the right consistency

    Now divide your mixture into two bowls. You’ll want to divide it 1/3 to 2/3s. Dye the 2/3 mixture with soap coloring. We used a mixture of 2 drops of pink and 3 drops of blue to get a violet color. Feel free to add less or more coloring to get your desired shade. You can also omit the dye altogether if you’d like to leave your bath bombs white.

    Dividing the bath bomb mixture and colouring one part violet

    Add a few lavender buds to one of the molds and add some of the white mixture on top. Fill the other half with the white mixture as well, leaving some room for the violet mixture.

    Filling the bath bomb molds with lavender buds and white mixture

    Overfill both halves with the violet mixture and firmly press both halves together. (If working with clear plastic molds, make sure you are using the correct halves as they come in pairs.) Press the bath bombs together for a few seconds.

    Overfilling the bath bomb molds with violet mixture
    Pressing together the acrylic bath bomb molds.

    Let the bath bombs harden overnight in the molds. To demold, gently tap one of the halves with a spoon before opening the molds. Avoid twisting, as this can break the bath bombs! Then carefully tap the other half to release as well. Make sure you are handling your bath bombs as gently as possible as they are still quite soft at this stage. 

    Letting the lavender bath bombs dry in their molds.
    Tapping bath bomb molds with a spoon to release them.

    Once you demolded all your bath bombs, let them air dry for 1-2 days until they have completely hardened, before packaging them in airtight containers. Use within 3 months for optimal fizziness. 

    Tips for success

    • When adding the witch hazel, try to use as little as possible so the mixture won’t get too wet, but also add enough so it holds its shape when pressed together.
    • Don’t pack the mixture into the molds too tightly, or else the halves won’t stick together.
    • Be sure to really overfill both halves before pressing them together, otherwise your bath bombs will fall apart when demolding.
    • Don’t tap too harshly, instead lightly tap the molds a few times before removing them.
    • Handle your bath bombs with care before they had a chance to completely dry, they will still be quite soft and can break easily.
    • Let your bath bombs harden completely before packaging them, otherwise the retained moisture will cause them to fizz prematurely.
    • If you want to gift these or are making them for an event, make a few extras just in case you break one or two when demolding.
    • Practice makes perfect – the first time you demold the bath bombs may seem a bit tricky, but after doing a few, you’ll soon become a pro!
    • Package bath bombs in airtight containers, away from moisture and heat.
    Lavender bath bombs on white background
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    Two toned lavender bath bombs on marble tray

    Lavender Bath Bombs

    • Total Time: 30 minutes (excludes drying time)
    • Yield: 5 bath bombs 1x


    Fragrant lavender bath bombs with lavender essential oil and dried lavender buds




    1. Combine the baking soda, citric acid, sea salt and cornstarch in a bowl and whisk together.
    2. Mix the sweet almond oil with the lavender essential oil and add to the dry ingredients. Combine thoroughly.
    3. Spray the witch hazel onto the mixture. Use one hand to spray and the other to mix everything together. The bath bomb mixture should resemble crumbly sand and not be too wet. If it holds its shape when you press it between your hands, you’ve added enough witch hazel
    4. Divide the mixture into two bowls, adding 1/3 to one bowl and 2/3s to the second. Dye the one with 2/3s violet. (We used three drops of blue and two drops of pink.)
    5. Add a few lavender buds to one half of the molds, then top with some of the white mixture. Fill the other half with some of the white mixture as well, leaving some room for the violet mixture.
    6. Overfill both halves with the violet mixture and firmly press together. Hold for a few seconds.
    7. Let the bath bombs harden overnight in the molds. To demold, gently tap the top half with a spoon and remove the mold. Don’t twist as breaks the bath bombs. Then tap the bottom half and remove as well.
    8. Let your bath bombs air dry for 24-48h until they have completely hardened. Store in an airtight container away from sunlight and moisture.


    *Or any other carrier oil such as coconut oil, avocado oil,..

    Keywords: lavender, bath bombs, essential oils, DIY skincare

    Lavender Bath Bombs


    Disclosure: This post may contain affiliate links, but these are all products I highly recommend. I won’t put anything on this page that I haven’t verified and/or personally used.

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