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Closeup of homemade rose petal bath bombs in a white bowl in front of a bowl of dried rose petals.

Rose Petal Bath Bomb Fizzies

You are here: Home / Make it Yourself / Face & Body / Rose Petal Bath Bomb Fizzies

Last Updated   February 8, 2020 // Originally Posted   February 8, 2020 //  by Tracy Ariza, DDS 4 Comments

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Soothe your skin and relax in a luxurious bath using these homemade rose petal bath bombs (bath fizzies). They're great for gifting or much-needed self-care. #thethingswellmake #miy #bathbombs #selfcare #valentinesday #bathtimefun #bathtime #selfcaretips #relaxation #relaxdestressideas #valentinesdaycraft
Soothe your skin and relax in a luxurious bath using these homemade rose petal bath bombs (bath fizzies). They're great for gifting or much-needed self-care. #thethingswellmake #miy #bathbombs #selfcare #valentinesday #bathtimefun #bathtime #selfcaretips #relaxation #relaxdestressideas #valentinesdaycraft

Soothe your skin and relax in a luxurious bath using these homemade rose petal bath bombs (aka. bath fizzies). Great for gifting or just a bit of self-care.

Homemade heart-shaped rose bath bombs in a bowl with some rose petals

Table of contents

  1. What are Bath Bombs?
    1. How do bath bombs work?
      1. Why Make your own?
        1. Control the ingredients
          1. Hiding treasures inside
          2. Choosing bath bomb ingredients
            1. Citric Acid
              1. Starch
                1. Oils
                  1. Essential Oils
                  2. Aqueous phase
                    1. Rose petals (Or other fun stuff)
                    2. What molds to use
                      1. Other alternatives
                      2. How to Make Bath Bombs
                        1. How to Use Them
                          1. Storing Finished Bath Fizzies
                            1. Watch me Make Bath Bombs
                              1. Rose Petal Bath Bomb Recipe

                                Making bath bombs, or bath fizzies, is something that I’ve wanted to do for quite some time now. With the emphasis on flowers and hearts and relaxation, I figured that Valentine’s Day was the perfect time to try it out.

                                I had already experimented with making things with rose petal tea and rose water, and I decided to stick with the theme and use those same rose petals for making Valentine’s Day themed bath bombs.

                                Of course, that doesn’t mean that you can’t make these year-round! Relaxing in a bath and soothing your skin and stressed muscles is something that we should consider doing much more often.

                                What are Bath Bombs?

                                Bath bombs are masses of compressed powders and oils that are most commonly sphere-shaped. They are meant for adding to bath water. Once added, they dissolve in a playful, effervescent way (aka. They’re fizzy)!

                                Bath bombs are fun to watch, and they leave your bath water smelling great! They also add oils and salts to the water that help leave your skin feeling soft after your bath.

                                How do bath bombs work?

                                The fizzy effect that you see when you place a bath bomb in water comes from a chemical reaction between an acid and a base (something alkaline).

                                For these, we’ll combine citric acid, a powdered acid, with baking soda, an alkaline substance in powder form. Because the acid and base are in solid form, they don’t react until they get wet.

                                Once you drop the bath bombs into water, the acid and base will dissolve in the water and combine together, setting off the chemical reaction that will make a fizzing action. During the process, the bath bomb will dissolve away, releasing any active ingredients that you hide away inside them. This can include oils, salts, or even small toys hidden inside.

                                Two heart-shaped bath bombs on a plate with rose petals.

                                Why Make your own?

                                There are several reasons you may consider making your own bath bombs.

                                Control the ingredients

                                Many bath bombs on the market use synthetic fragrances and colorants. They may also include other ingredients that many of us prefer to avoid.

                                I like making my own bath bombs using essential oils for a more natural fragrance. Most of the time, I don’t add colors to mine either. Not only do I find them unnecessary, but it helps keep them from staining the tub.

                                Hiding treasures inside

                                Another fun thing to do when making bath bombs is to hide little toys or other treasures in the center of larger homemade bath bombs. Kids love watching the bombs fizz away, and love the surprise of finding something hidden for them inside.

                                Choosing bath bomb ingredients

                                Bath fizzies normally use a combination of citric acid, oil(s), corn starch, salt(s), baking soda, and water or a hydrosol (the acqueous phase).

                                Citric Acid

                                Citric acid is the trickiest ingredient to find when making bath bombs, but I was able to find it easily online. It’s necessary if you want to make your bath bombs fizz.

                                You can make these without citric acid, but they will no longer fizz when you add them to your bath water. They will still make your skin feel soft and will smell nice, though. If you don’t add citric acid, there is no need to add either cornstarch or tapioca flour either.

                                Starch

                                Most recipes for bath bombs include cornstarch. I assume that the corn starch is being used to absorb some of the humidity to help keep the citric acid from reacting with the baking soda before you actually use the bath bombs in the bath.

                                Many people prefer to avoid cornstarch, though, for various reasons. Some are concerned with the GMOs in corn starch. Others worry that corn starch may contribute to yeast infections. So little is used that I doubt there are serious health implications either way. That said, there is an alternative.

                                For one of my batches, rather than use cornstarch, I chose to try using tapioca starch. It seemed to work just as well. Perhaps you can also get away without using a starch. Not much is really needed anyway.

                                Oils

                                Oils add a conditioning effect to the bath water and also help hold the ingredients together without setting off the fizzy reaction. You can play with raising up the amount of oil in the recipe if you are having a hard time getting the mixture to clump up without setting off the reaction.

                                Also, any oil can be used. For rose petal bath bombs, I had considered using rosehip oil, but it’s a pricey oil. So, I decided to just go with coconut oil instead.

                                Essential Oils

                                While they aren’t necessary, adding essential oils will give your bath bombs and bath water a pleasant fragrance. To stick with the rose theme, you can add a drop or two of rose essential oil which gives a lovely rose fragrance. It tends to be an expensive essential oil, though.

                                You can change the scent of these by switching up the oils. I also love using lavender essential oil for making a nice relaxing bath.

                                Aqueous phase

                                For the liquid component of my bath bombs, I decided to use rose water. I love the delicate fragrance that rose water imparts to homemade products made with them. (I love using it in my homemade facial moisturizer because they give it a perfect scent without needing to add any other fragrances.)

                                If you don’t have rose water, you can use another floral water. You can also just use plain or distilled water instead. The rose water by itself won’t be enough to add much scent to your bath, which is why adding essential oils will help boost the fragrance.

                                The key to making these bath bombs properly is to avoid getting the mixture too wet so that the ingredients don’t combine with each other while making them. You don’t want to set off the chemical reaction that makes your bath bombs fizz until they hit the water. Use a spray bottle to dispense just enough liquid to get the ingredients to hold together without fully wetting any area of the mix.

                                Rose petals (Or other fun stuff)

                                When I first made these, I incorporated rose petals into the recipe. Keep in mind, though, that if you add any solid ingredients that don’t dissolve that they will also be in your bath water and tub. If the rose petals bother you, feel free to leave them out!

                                A red tin filled with small rose petal bath bombs. Behind it, tow larger bath bombs are on a plate with rose petals.

                                What molds to use

                                Ideally, if you use bath bomb molds, they work the best for making these. They allow you to press hard and compact the ingredients well. This allows you to work quickly and unmold your fizzies more quickly.

                                (There are even special bath bomb presses that help make them professionally or kits that include shrink wrap plastic for storing the finished bath bombs properly.)

                                Other alternatives

                                That said, I used silicone candy molds to show you they also work. There is no need to buy yet another product that you won’t be using often. The silicone candy molds generally make smaller sized bath bombs.

                                Silicone ice cube trays also work well for making bath bombs. I just happened to have a larger, spherical ice cube tray and it made a perfectly round bath bomb just like the ones you’d buy at a store.

                                Keep in mind that silicone is flexible, so the shapes may slightly deform as you press the mixture into them. You want to press hard enough to make sure the mixture will stay together well.

                                How to Make Bath Bombs

                                Making them is really easy, and I’ve hinted at most of the process already.

                                Start by weighing out the dry ingredients. I used equal parts of the citric acid, the starch, and the salt. For all of those, I added 2 parts of baking soda. If you want to add any flower petals, now is also the time to add them in.

                                Once you’ve mixed together the dry ingredients, start spritzing them with water or a hydrosol. (I used rose water for mine.)

                                As you spritz, continually mix the ingredients together to incorporate the humidity. You don’t want a lot of water to go to any part excessively or you may set off the chemical reaction. (Some fizziness is normal and almost impossible to avoid. Bubbling up fizziness means that you’re adding too much liquid.)

                                When the mixture holds its shape if you press it together in your hands, it’s ready to press into the molds.

                                Press the mixture into the molds as firmly as possible to compact the ingredients well. Allow them to dry overnight.

                                The next day, you may find that they have fizzed up and expanded slightly if you are using open molds. This depends on the humidity of the area you are working in and is also normal. You can press back down on the back of the expanded bath bombs to compact them before carefully removing them from the molds

                                • weighing out the dry ingredients for bath bombs
                                  Weigh out the dry ingredients.
                                • Optionally add rose petals.
                                • Slowly spray in water or hydrosol.
                                • clumping together the ingredients for bath bombs to test the consistency
                                  Test the consistency.
                                • Press into molds.
                                • Allow to dry.
                                • Carefully remove from molds.

                                If the mixture is too dry when you try to press them into the molds, the finished bath bombs may be crumbly. Using a lot of pressure helps keep them together, but it is a bit more difficult to achieve when using flexible molds. So, keep that in mind.

                                How to Use Them

                                Using the finished bath bombs couldn’t be simpler!

                                All you have to do is throw them into the bath water and watch them fizz as they dissolve. You can either add them before or after getting into the tub.

                                Relax and enjoy!

                                Storing Finished Bath Fizzies

                                Bath fizzies that haven’t been used immediately should be stored in a dry, well-sealed container. It’s important to keep the humidity out, or they’ll lose their fizziness before you can use them.

                                Those who make them for sale normally use shrinkwrap plastic. While it’s not a sustainable option for home use, it’s something that you could consider for gifting larger bath bombs. (Of course, you could also gift them in a pretty airtight container.)

                                Watch me Make Bath Bombs

                                Rose Petal Bath Bomb Recipe

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                                Closeup of homemade rose petal bath bombs in a white bowl in front of a bowl of dried rose petals.

                                Rose Petal Bath Fizzies

                                Simple to make, these rose petal bath bombs would make the perfect gift for you or your special someone on Valentine’s Day. Of course, they’ll ease your stress any time of year. 
                                5 from 1 vote
                                Print Pin Rate
                                Prep time: 5 minutes
                                Active time: 15 minutes
                                Drying time: 10 hours
                                Total time: 10 hours 20 minutes
                                Author: Tracy Ariza, DDS

                                Equiment

                                • bath bomb molds
                                • silicone molds
                                • Clean spray bottle

                                Materials

                                • 100 g baking soda
                                • 50 g citric acid
                                • 50 g corn starch
                                • 50 g salt  (I used Himalayan salt, but you could use sea salt or epsom salt, too.)
                                • 1 Tbsp. coconut oil or other oil
                                • spritzes rose water or distilles water or other hydrosol
                                • rose petals optional
                                • 3 drops rose essential oil or other oil, for fragrance
                                Switch units back – Convert units

                                Instructions

                                • Mix the dry ingredients together. If any are coarse, you can pulverize them in a coffee grinder. Optionally add in some dried rose petals to make them pretty for Valentine's Day. Keep in mind, though, that anything solid that you add to them will end up floating in your bath water. So if you don't want to be bathing yourself with bits of rose petals, don't add them in.
                                • Once the dry ingredients are mixed, work in the oil(s). If using coconut oil when it's in its solid form, you can either melt it first or work it into the dry ingredients much like you would work butter into a pie crust.
                                • At this point, the mixture should have the consistency of slightly wet sand. It should slightly hold its shape when you press it together.
                                • Have your molds ready and nearby because once you start adding in your liquid, you'll want to work quickly.
                                • Spritz in the water with a spray bottle, adding a very little bit at a time. Mix it in well after each addition. It will slightly fizz, and that is OK, but you want to try to minimize the amount of fizzing by not adding too much water at a time and by working it in quickly.
                                • Once the mixture holds its shape when you clump it together in your hand, you can press it into the molds. Make sure to press your ingredients in firmly, trying to squeeze out any air bubbles.
                                • Allow the fizzies to dry for several hours or overnight.
                                • Carefully pop them out of their molds.
                                • You can use them immediately or store them in a dry, airtight container until ready to use them.

                                Notes

                                If you want light pink fizzies, try adding some food coloring or beet juice into the water. For more vibrant colors, there are powdered pigments available that are specifically made for bath bombs. (They tend to be a less natural option.) I decided to rely on the subtle pink color of the Himalayan salt that I used as my only source of coloring.
                                If you want to add fragrance to your fizzies and bath water, add a few drops of essential oils. (In this case, for rose themed bath bombs, a rose oil would be ideal, but it’s an oil that is on the expensive side and is totally optional.)
                                As you can probably tell, this recipe is highly adaptable. You can use pretty much any oil in place of the coconut oil. Keep in mind that some oils have a scent that may overpower the fragrance of your bath bombs. 
                                For my molds, I used silicone candy molds, ice cube trays, and muffin tins. Bath bombs molds are usually solid and made of  metal or hard plastic. The advantage to that is that you can more easily fully compact the ingredients into rigid molds.
                                There was no need to prepare the trays in any way.
                                I don’t recommend trying to dry them more quickly in the oven, even at the lowest setting, because they will likely fizz and expand rather than dry. (Don’t ask me how I know that!)
                                Tried making this? Tag me today!Mention @thethingswellmake or tag #thethingswellmake!
                                Several homemade rose petal bath bombs on a white placemat with some rose petals.
                                Heart-shaped rose petal bath bombs made in heart-shaped silicone cupcake molds.

                                Update Information

                                This post was originally published on February 9, 2014. It was rewritten with more tips and tricks in February of 2020.

                                Filed Under: Face & Body, Valentine's Day

                                About Tracy Ariza, DDS

                                Tracy Ariza, B.A., D.D.S., left dentistry and the United States to found Oh, The Things We'll Make!, writing to you from the Spanish Riviera. She loves making things herself in order to keep control of what goes in them. While far from perfect, she strives each day to live a healthier, more sustainable lifestyle.

                                Previous Post: «Closeup of heart-shaped rose petal gummy treats with real rose petals inside next to a red rose. Rose Sweets: Rose Petal Gummies for Valentine’s Day
                                Next Post: How to Make Rose Water and Rose Hydrosol A bottle of homemade rose water hydrosol in front of a rose and rose petals»

                                Reader Interactions

                                Comments

                                1. Cynthia

                                  January 21, 2015 at 8:22 PM

                                  not sure if i missed it but when do i add the citric acid..

                                  Reply
                                  • Tracy Ariza

                                    January 25, 2015 at 8:32 PM

                                    Hi Cynthia,
                                    You did miss it, but it’s because it’s a bit confusing the way I wrote it, so I apologize. I wrote to mix all of the dry ingredients together, and that includes the citric acid. What’s confusing is that I followed that with the statement that I pulverized all of the ingredients other than the citric acid in my coffee grinder to make it all smoother, so it could be interpreted as the citric acid being separated from the rest of the dry ingredients. I’ll try to edit it to make it less confusing tomorrow when I can sit down at the computer. I hope that helps!

                                    Reply
                                2. Sylvie Shirazi (@gourmandeinthek)

                                  February 14, 2014 at 4:35 AM

                                  What a fun project and great gift for Valentine’s Day!

                                  Reply
                                3. Becky Webb @ Rooted Blessings

                                  February 14, 2014 at 3:48 AM

                                  mmm… I can smell them now. I love the smell of rose petals. These would be a great gift for a friend who needs a break.

                                  Reply

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                                Hello, I’m Tracy!

                                I love making my own natural products like soaps and lotions and my own pantry items like yogurt and salad dressings.
                                Why do I do it? Sometimes to save money, sometimes because it's healthier, but I always love having control of the ingredients!​
                                Oh, the things we'll make!...

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