A long, warm bath at the end of a tiring day is one of life’s little pleasures. And it’s even better when you have a fizzy bath bomb recipe at hand! They are fun to make and give as gifts, and this tutorial will show you how easy it is to make them in batches. You can get creative with different shapes, sizes, colors, and scents with some practice.
Fizzy Bath Bomb Recipe
Mix the Baking Soda and Constarch
Mix the baking soda and cornstarch in a large bowl until there are no clumps. Set the citric acid aside for now and do not mix it in.
Add Essential Oil
Slowly add the essential oil to the mixture, a few drops at a time. Keep mixing until the oil is fully blended in – you might find it easiest to use your hands rather than a spoon. If desired, wear gloves so that your hands don’t get dirty.
Add the Coloring
Add the color to the dry mixture gradually, mixing it in with your hands as you go. The more drops you use, the darker and richer the final color will be.
If you want to make more than one color of diy bath bomb recipe, divide the dry ingredients into separate bowls. Make sure each bowl has an equal amount (you’ll need to put the citric acid in a different bowl too). So, the mixture depends on how many bath bombs you’re making.
Add the Water
Gradually add water to the mixture, one half teaspoon at a time. Stir after each addition of water until desired consistency is achieved – the texture should be that of damp sand and able to hold together in a clump.
Add the Citric Acid
Add the citric acid and mix well until everything is combined in your diy bath bombs.
Mold the Ball
Fill both sides of your bath bomb molds with the mixture, packing it tightly and slightly overfilling. Then, press the two sides of the bath bomb mold together as tightly as possible before gently flipping one side of the ball over into your hand and removing the mold from that half. Finish by pulling off the other side of the mold.
Please handle the bath bomb with great care as it is still slightly moist and not yet hardened.
Smooth the Sides
Gently smooth the line where the two halves of the mold came together using the back of a spoon.
Let the Balls Dry
Let the bath bombs dry and harden overnight at room temperature before using them.
How do Bath Bombs work?
Citric acid, baking soda and cornstarch all interact with water to create the fizzing sensation. Epsom salt allows you to soak in order relieve muscle pain or even constipation. Essential oils provide a relaxing or invigorating scent (depending on your preference), while also moisturizing your skin–giving you a full spa treatment experience from one bath bomb!
I’m allergic to perfumes and fragrances
If you’re looking to avoid essential oils or colorants in your bath bombs, no problem! This recipe can easily be tailored to meet those needs. You can even opt for coconut oil.
Are bath bombs safe for kids?
The ingredients in this recipe are gentle enough for those with sensitive skin. It’s always a good idea to do a patch test first, though, just to be sure your child’s skin can handle the product. The Epsom salt included in this recipe may help with constipation but it appears in such small doses that it shouldn’t cause any irritation. I recommend limiting bath time to 20 minutes for kids under 10 and not letting children under 3 use these bath bombs at all.
What should I do when my mixture is fizzing a lot when I add the liquid?
When the baking soda and citric acid come into contact with the liquid, they will react. Add the liquid mixture slowly to prevent too many bubbles from forming. If it does start to fizz, don’t worry–the amount of liquid in this recipe is small enough that your bath bomb will still be fizzy once it dries!
How long can I store bath bombs?
Your bath bombs will last for at least 6 months if stored in an airtight container to keep moisture out.
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