Make your own bath bomb fizz powder at home! This easy DIY bath bomb powder is perfect for relaxing soaks, holiday gifting, and natural self-care. Made with baking soda, citric acid, cornstarch, and essential oils. No molds needed — just mix, jar, and enjoy the fizz!
If you love bath bombs but don’t always have the time (or patience!) to mold and dry them, this bath bomb fizz powder is the perfect alternative. It has the same bubbly, fizzy reaction you get from a traditional bath bomb, but with a beginner-friendly, no-mold, no-fuss method. Just mix, store, and scoop into your bath whenever you want a little spa-like relaxation.
This recipe is naturally simple, totally customizable, and great for gifting — especially around the holidays. Pack it into jars, add a cute ribbon or wooden scoop, and you’ve got a beautiful handmade present that feels indulgent but is incredibly easy to make. Since it’s made with basic, natural ingredients like baking soda, citric acid, and plant-based oils, it’s also a gentler option than many store-bought bath products.
Whether you want a relaxing soak, a fun sensory experience, or something special for your self-care basket, this fizzing bath powder is a delightful DIY to keep on hand.
DIY Bath Bomb Fizz Powder
For this DIY you will need cornstarch, baking soda, carrier oil, essential oils, citric acid, and optional mica powder.
Mix your base ingredients.
In a bowl, combine the cornstarch and baking soda. Mix well and set aside.
Prep your oils.
Add your essential oil drops into your chosen carrier oil and stir to blend.
Combine everything.
Pour the oil mixture into the dry ingredients and mix thoroughly until fully incorporated.
Add the citric acid.
Slowly sprinkle in the citric acid, mixing as you go, until everything is evenly combined.
Add color if desired.
If using mica powder, add a small amount at a time until you reach your preferred shade.
To Use:
Add 3–4 tablespoons of the powder into warm bath water and enjoy the fizz!
Tips & Substitutions
- Essential oils optional: Keep it unscented or use a single oil or blend you love.
- Choose your carrier oil: Jojoba, almond, grapeseed, coconut oil, or any lightweight oil works well.
- Want more fizz? You can increase the citric acid slightly, but do it gradually to avoid activating the mixture.
Add botanicals: Dried rose petals, lavender buds, or chamomile make this extra pretty for gifting. - Avoid moisture: Make sure all tools and bowls are completely dry so the mixture doesn’t a
FAQ
Why add oil to bath powder?
Carrier oils add skin-softening benefits and help disperse essential oils safely into the bath water.
Can I add Epsom salt?
Yes! You can replace a portion of the cornstarch with Epsom salt for a more therapeutic soak.
Why does it fizz?
The combination of baking soda and citric acid reacts when it touches water, creating that classic bath-bomb fizz.
How should I store it?
Keep the powder in an airtight container in a cool, dry place. Moisture can cause clumping or premature fizzing.
How long does it last?
Up to 6 months when stored properly.
Related:
- How To Make Homemade Bath Bombs
- DIY Peppermint Milk Bath
- How To Take The Perfect Detox Bath
- Milk Bath Recipe (Soothing DIY Recipe for Soft, Glowing Skin)
DIY Bath Bomb Fizz Powder
This easy DIY bath bomb powder is perfect for relaxing soaks, holiday gifting, and natural self-care. Made with baking soda, citric acid, cornstarch, and essential oils. No molds needed — just mix, jar, and enjoy the fizz!
Ingredients
1/2 cup corn starch
1/2 cup baking soda
1 tablespoon carrier oil
10 drops essential oil
1/4 cup citric acid
Mica powder (optional)
Instructions
Mix the corn starch and baking soda. Set aside.
Add in the essential oil to the carrier oil.
Mix the dry ingredients and the oil until all combined.
Slowly add in the citric acid until evenly combined. If adding mica powder, add until you get the color you desire.
To Use: add 3 to 4 tablespoons in a bath.
Notes:
Essential oils are optional.
Any carrier oil works.
Notes
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