These easy Mermaid Cupcake Bath Bombs DIY will make your bath smell wonderful and more relaxing! Try making this DIY bath bomb recipe for yourself or to give away as gifts!
There is nothing I love more than relaxing in a nice, warm bath after a long day. Baths are one of the best ways I de-stress and truly relax my mind and aching body. I'm a true believer in the importance of self-care and that's also why I'm excited to share with you my newest bath recipe: Mermaid Cupcake Bath Bombs DIY!
Mermaid Cupcake Bath Bombs DIY
Do you agree when I say that what makes a bath even better is by adding bath bombs? I'm sure you do. Tossing a bath bomb into the tub makes for a wonderful-smelling, fizzy and more relaxing bath!
I have always loved homemade bath bombs and I've made them several times before. But after I attended a friend's bridal shower recently and saw the homemade mermaid bath bombs that were given as guest favors, I was convinced to try making my own. You know I'm always up for fun, new DIY projects and I love making bath bombs. They give my baths an extra special, homemade, fizzy twist and I feel like I'm in a spa - right in my own home!
I just recently perfected my DIY mermaid bath bombs and I'm ready to share this awesome recipe with you!
Ingredients
This is what you'll need from the store before you begin. The exact amounts are in the printable recipe card at the bottom of this post.
- Baking soda
- Citric acid
- Cornstarch
- Epsom or sea salt
- Coconut oil, melted
- Witch hazel
- Essential oil of your choice
- Mica powder colors in blue, green and yellow - I used this mica powder pigment set for this recipe
- mermaid sprinkles
- cupcake bath bomb molds
Ingredient Notes
Some of the ingredients needed to make bath bombs are probably already in your house. Many of us already have a container of coconut oil and a box of cornstarch on our shelves! However, there are a few special ingredients that you may need to get in order to make this DIY project happen. Let me tell you a little about the reason for each ingredient in my bath bomb recipe.
Citric Acid
The first ingredient that you may be wondering about is citric acid. Citric acid and baking soda are the two ingredients in bath bombs that make them extra fizzy. Citrus acid is also a great cleanser which means your bath will not only be fizzy but also cleansing.
Epsom Salt
The Epsom salt (or sea salt) adds a little abrasion to the bath bombs to help scrub away your worries while you soak in the tub! In addition, Epsom salts have been shown to help reduce swelling and pain so they are a perfect addition to a soothing bath.
Cornstarch
The cornstarch in the bath bomb works to slow down the fizzy reaction of the citric acid so that your tub is wonderfully fizzy for several minutes rather just bubbling away for mere few seconds.
Witch Hazel
Witch hazel is good for your skin, acts as an anti inflammatory and also adds moisture to the DIY bath bomb (as does the coconut oil!).
Essential Oils
Pick your favorite essential oils to mix into the bath bombs and give the recipe your own personalized twist. If you are making summer bath bombs, opt for a bright citrus oil. Peppermint essential oils will help invigorate you while lavender oil promotes relaxation.
Mica Food Coloring
Mica food coloring is toxin free and is the perfect, natural option to give your bath bombs those brilliant mermaid colors! And mermaid sprinkles are the best way to decorate the bath bombs- you want that perfect finishing touch!
Tips to Make Your Own Mermaid Bath Bombs
After making homemade bath bombs a few times now, I have found a few tricks that work well to ensure your recipe comes out perfectly. Take a look at these tips before you start and I guarantee your bath bombs will turn out beautiful!
1. Mix the dry ingredients together first to ensure they are all evenly blended. If you feel like your citric acid or other dry ingredients are clumpy, shake them through a sieve to loosen them up- clumps are no good!
2. Start off with just 15 drops of essential oils and then add more if you want a stronger scent. Every brand of oil will have a different potency so it is always better to start with less.
3. Spray the witch hazel in very, VERY slowly! Take your time when adding the liquid as it really will help the end product be more fizzy. You don't want to waste any of that good fizz!
4. Once all your ingredients are blended, squeeze a handful of the mix- it should stick together like wet sand. If it is still too dry, spray once more with witch hazel to give a tiny bit more moisture. Don't over do it though, you don't want to set off the fizz or make bath bombs that are too soft!
5. If it is a very hot and humid day, you may want to consider waiting to make the bath bombs as the humidity in the air can prevent the bath bombs from setting up.
I hope that these tips help and give you perfect DIY bath bombs. I have had great success making this recipe and have tweaked it to be as easy as possible!
Bath Bombs AS DIY Gifts
After making these mermaid bath bombs just once, I was hooked. Since then, I have made them as birthday party favors and gifts for teachers. They would also be ideal as a hostess gift or just to have on hand in case a birthday pops up and you need a last minute gift.
Variations
Feel free to switch up the colors, the essential oils and even try using a different bath bomb mold to add your own personal touch. Don't forget to save some of the bath bombs for yourself, after all, self-care is essential. A fun project followed by a relaxing, fizzy bath is just what you need!
How To Store Bath Bombs
Store bath bombs in a cool, dry place. Since they are fragile, it's best to store them in a solid, airtight and spillproof container. Don't stack things on top of your homemade bath bombs.
Why Are My Bath Bombs Falling Apart?
This is the most common issue people run into when they make homemade bath bombs. It's so frustrating when the mixture just crumbles apart and won't stick together.
Your bath bombs are either too wet or too dry. Read one of these and see which one applies to your problem the most:
- Too Dry. It should feel like wet sand and hold its shape when you form a ball. If it is too dry, spritz it gently with Witch Hazel with one hand while the other hand mixes it until it feels like wet sand.
- Too Wet. If your bath bombs crack after you take them out of the mold, they are too wet. Prevent this by using less Witch Hazel.
Give this mermaid cupcake bath bombs DIY recipe a try and let me know what you think. I honestly think you'll love it! 🙂
*This post may contain affiliate links. Read our Disclosure Policy for more details. This post originally published on Hip Mama's Place in July 2020. Updated: March 2021.
Try my other homemade bath bomb recipes!
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Mermaid Cupcake Bath Bombs
Description
Make your next bath smell wonderful, fizzy and more relaxing with DIY bath bombs! Try my recipe for Mermaid Cupcake Bath Bombs DIY!
Ingredients
Materials:
2 cups baking soda
1 cup Citric acid
1 cup cornstarch
½ cup Epsom or sea salt
5 tbsp. coconut oil, melted
1-3 tbsp. Witch hazel
15-20 drops essential oil of your choice
Mica powder colors in blue, green and yellow
Instructions
- Place the baking soda, citric acid, cornstarch and salt into a large mixing bowl, and stir to combine well.
- Add the oil and essential oils to the bowl with the dry ingredients, and mix to combine well.
- Stir in the witch hazel a few drops at a time, or use a spray bottle to add it in slowly. Adding the liquid too quickly will cause the mixture to fizz, and will eliminate the fizzing action when it is placed into the bathtub. You want to add enough liquid just until the mixture resembles loose sand that stays together when clumped in your hand.
- Separate the mixture into 3 bowls, and add the mica powder coloring to each one. Stir until you have a bowl each of blue, green and yellow mixture.
- Place some of the sprinkles into the top of the cupcake mold.
- Layer different colors of the bath bomb powder into the mold, and firmly press down to secure it and pack it in as you go.
- Continue until you have filled both the bottom and the top half of the cupcake mold, and then press them together firmly.
- Let the mold sit for 24 hours, and then remove the bath bombs carefully.
- Repeat steps 5-8 to make additional cupcake bath bombs.
Azddine Otmani says
These Mermaid Cupcake Bath Bombs look absolutely magical! ✨🧜♀️ I love how the colors, shimmer, and whipped “frosting” make them feel like a little ocean treasure. Such a creative and fun DIY—cute enough to display, but even better to enjoy in a relaxing bath! 💜🫧
Shayla says
Oh my gosh, these bath bombs would be so easy to do, my girls are going to love them!
Deb Balino says
OMG I am SO going to do this with my kiddos! They love creating things we can actually use - especially with color! i have never heard of Mica powder before - that's a game changer! Can't wait to make these! Thank you!
vidya says
these look so pretty and will make a great gift (even for myself!!)
Brittany says
O wow, these look so cool
Charina Rasing says
Since I have all the ingredients at hand, I will definitely try this one. I will let you know how it turned out.
Portia Olaughlin says
Such a cute craft, my daughter will love making these mermaid bath bombs!
Danielle says
These turned out so cute. My daughter would love them.
Desiree says
These turned out so adorable! I definitely want to give this a try! I love bath bombs
Clarice says
This is really nice! I had never thought that we can DIY but it is definitely worth the try. Thank you for sharing. My daughter would love this.
Hege Rebecca says
These look really beautiful. I have to try making them. Thanks for sharing 😊
michelle says
wow! i love bath bombs but i’ve never thought about making my own - seems like something to really try.
Cathy says
It looks beautiful and attractive. I'm not good at D.I.Y. stuff. Hopefully, I'll not mess the things up.
Bri says
These are awesome! Love that they are in cupcake shape! My toddler will go nuts!
Sarah Bailey says
These are so cute - I love a good bath bomb - a wonderful way to relax and unwind. These would make a fun gift idea too.
Jenn @ EngineerMommy says
These are such cute DIY bath bombs. I know my girls would love to help me make these.
Tammy says
My granddaughter would love these. She is so into the mermaids. Thanks for sharing.
Catalina says
wow! This is genius! How much I love it! I should make these bath bomb with my kid this weekend!
Josh Mckenkey says
Looks cute and a perfect bath bomb for my wife.
Nikki Wayne says
I love bath bombs and this design is so cute.
Monica Simpson says
Mermaid stuff is so in right now. These look like real cupcakes too!
World in Eyes says
OMg they looks so damn delicious and cute and lovely one...glad you shared this with us..just can't wait to have this once..great work though..
Elizabeth O says
Those bath bombs look so delicious that one might consider eating them. Great job with the sea colors too.
Deborah Brooks says
Ooh wow how fun are these!? I am a huge fan of epsom salt baths and did not realize how easy these were to make
Rose Ann Sales says
So cute! This would make a great gift!
Natalie says
These bath bombs are so pretty. I bet they smell amazing. Can't wait to make them. Thanks for this lovely guide.
Liz says
These are so pretty! I've never made my own bath bomb before.
My Kitchen says
This is the first time I have come across mermaid cupcakes.
Hope I'll soon make it and share with my readers.
Melissa says
These mermaid cupcake bath bombs are so cute! They would make great gifts and party favors.
Louisa says
This cutey Mermaid bath bombs makes me want to just soak in the tub and just have a great time soaking. Thanks for the recipe
Jackline A says
Omg these are so adorable. Thank you for sharing. These make make great gifts
rika says
My daughter will love this! She is obssesed with bath bomb and cupcakes, what an amazing idea!
Amy Kaur says
Wow that was so pretty and looks so delicious and easy cupcake recipe to make for the kids. I am sure my kids will love it like and will make their favorite.
Lisa Joy Thompson says
These are so fun! I love making homemade bath bombs! I often make cupcake bath bombs as gifts for my kids teachers and friends!
tweenselmom says
These bath bombs look so adorable! I love how they look delicious as well, these will surely be a pretty thing to have on bath times!
Kathy says
These look amazing. I have never made bath bombs before, but always wanted to. I'm so glad to have seen this post. I really want to start making them.
Heather says
These are amazing! We have tried to make bath bombs a few times but they've never looked this pretty!
Emman Damian says
I like the DIY Mermaid Cupcake Bath Bombs. It's so fun to use with my nephews and niece during bath time. So easy to do.
Kuntala Bhattacharya says
Thats awesome, I can make this for my son. I love the colour and the decor. Looks to be tasty
Lily says
Now these are so fun! Love it and so colorful!
Jasmine Martin says
These look absolutely beautiful and they don't look like they'd be that difficult to diy. I am thinking about recreating this myself. Thanks for the tutorial!
Kita Bryant says
Now this would be a really fun way to take a bath. I used to have bath bombs all the time.
the joyous living says
wow. i really thought those were cupcakes. they look so real!
WorldInEyes says
oh wow it sounds quite amazing and interesting one..glad you shared this with us..Thanks indeed...great work...
Melissa Dixon says
These are so cute and what a great gift idea. I have to try my hand at this!
Kristyn says
These have always looked so intimidating to me to try to make on my own. But this breaks it down very well. Thank you!
Marie Phillips says
My youngest son loves cupcakes and he loves bath bombs! I think we would have a great time making these and already have most of the ingredients. But I bet I will have to add making real cupcakes to the list, lol.
Matt Taylor says
Very cool! I am not a bathtube person, but know lots of people that are. This will be perfect for them!
Bolupe says
Oh wow! These bath bombs are so beautiful. I like DIY and I can't wait to try making these with your steps.
Janeane M Davis says
These are just adorable. My teenagers would love to make them for themselves and their friends.
Joline says
What a fun little project! I'm excited to try this, especially because bath bombs are just so expensive!!
Angela says
These look like real cupcakes...I hope they are relaxing.
Nkem says
Interesting! Btw they look amazing. I usually get my bath bombs from Lush, but I could try making them sometime.
Melanie williams says
Oh wow how cool are these. I love that they are in a cupcake shape and these would make lovely gifts x
Agnes says
My daughter loves bath bombs! I love the cupcake design for bath bombs.
Jennifer Van Haitsma says
These are so cute! My kiddos would love Mermaid bath bombs, so we'll have to try this. I've tried to make bath bombs in the past but they never come out right.
Toni says
This is so cool! Would be a perfect DIY gift too!
Catalina says
wow! Love how they look and how easy they are to make. Now I know what I will do with my kid during this weekend!
Sherry says
These are the cutest bath bombs I have ever seen! These would make great gifts.
Tasheena says
These are so cute. I can’t wait to make some of my own.
Tara Pittman says
These are so darn cute. I need to get the supplies so my son can make these for me.
Pam Wattenbarger says
Those are adorable. I need to make some of those with our 4-year-old. She would love these in her bath.
Sarah Bailey says
Now those are some amazing bath bombs! I would absolutely love to give making some a try myself.
melissa chapman says
Home made bath bombs are so nice. I generally don't take baths but with those bath bombs I need to relax and get in a warm tub
Amber Myers says
These are so pretty! I am excited to try some out when I take a bath. I know I'll smell amazing 🙂