10 DIY Sea Sponge Soap Tutorials

Sea sponges are a great embed when it comes to DIY soap, adding an embed into a basic soap recipe can take your handmade soap from boring to something special. All of these recipes below use natural sea sponges. If you are looking for basic sponge soaps using store-bought bathroom sponges then check out this article here.

Sponges are found on the ocean floor or attached to substrates such as rocks, coral, shells, and marine organisms

So why add a sea sponge to your soap? Natural sea sponges provide gentle exfoliation to the skin, they are natures microfibre cloth, perfect for lifting impurities off the skin. The Sea Sponge is a renewable natural resource with divers taking from the top and the sponge regrowing from the bottom.

Strawberry Sea Sponge Soap

Bring the Ocean into Your Bathtub with Handmade Sea Sponge Soap Bars – Garden Therapy

Sea Sponge Cold Process Soap Project | Bramble Berry

Sea Sponge Soap

Spirulina and sea sponge video tutorial

Tropical Sea Sponges Melt & Pour Soap Project

Check out this tutorial that uses Loofahs, Sliced Loofahs are more exfoliating and great for heels and elbows, you can even use synthetic loofahs embedded into your soaps.

Cucumber and Aloe Loofah Soap

Here are my top tips for working with loofahs

Using loofahs in soaps can be a great way to add exfoliating properties and enhance the overall cleansing experience. Here are some tips for using loofahs in your soap making:

Choose the right loofah: Make sure you choose a high-quality loofah that is free of mold, mildew, or other contaminants. It is best to use natural loofahs as opposed to synthetic ones.

Cut the loofah: Cut the loofah into small pieces that are the same size as your soap mold. This will make it easier to embed the loofah pieces into the soap and ensure that each bar of soap has an equal amount of exfoliation.

Soak the loofah: Soak the loofah pieces in warm water for a few minutes before using them in your soap. This will help soften them up and make them easier to work with.

Embed the loofah: Once your soap has reached the appropriate temperature, gently press the loofah pieces into the soap mixture. Make sure they are evenly distributed throughout the soap.

Let the soap harden: Allow the soap to harden completely before removing it from the mold. This will ensure that the loofah pieces are firmly embedded in the soap and won’t fall out when in use.

Store the soap properly: Store the soap in a cool, dry place to prevent the loofah pieces from becoming damp and developing mold.

If your idea of Halloween fun includes a little bubbling, fizzing magic—without the sugar crash—these DIY Halloween Bath Bombs are your new favorite trick and treat. Think spooky swirls, candy-free gifts, and a little self-care potion-making, all rolled into one bewitching bath-time delight.

These are perfect for mums who’d rather stir up a bath bomb cauldron than bake another round of cupcakes for the class party. They also make fang-tastic gifts for teens, neighbours, or anyone who needs a little seasonal sparkle in their soak.

Why You’ll Love These Spooky Bath Bombs

Kid-safe ingredients – No creepy chemicals here
Great for gifting – Pop into mini cauldrons, treat bags, or mason jars
Smells like fall – Think pumpkin spice, candy corn, or sweet orange
Budget-friendly – Uses pantry staples and affordable citric acid
Easy to customize – Add spiders, glitter, glow-in-the-dark mica, or even a surprise toy

Ingredients

1 cup baking soda
1/2 cup citric acid
1/2 cup cornstarch
1/2 cup Epsom salt or fine sea salt
2 tsp sweet almond oil (or coconut oil)
1 tsp water or witch hazel in a spray bottle
10–15 drops essential oil (sweet orange, lavender, cinnamon, or candy-like blends)
Natural colorants or skin-safe mica powder (orange, purple, black, green)
Optional: eco glitter, mini plastic spiders or Halloween charms
Silicone molds or mini plastic cauldrons

How to Make Halloween Bath Bombs

1. Mix the Dry Ingredients

In a large mixing bowl, combine baking soda, citric acid, cornstarch, and Epsom salt. Whisk until it’s smooth and uniform—like a dusty spellbook.

2. Blend the Wet Ingredients

In a small bowl, mix your carrier oil and essential oils. Add your chosen colorant and glitter here too. If using black, go light—it can stain tubs if overdone.

3. Combine with Care

Slowly drizzle the wet mixture into the dry mix, whisking continuously. It should feel like damp sand. If it clumps when squeezed, you’re ready. Mist lightly with water or witch hazel if too dry.

4. Add Hidden Surprises

Press a small plastic spider, glow cube, or toy into the center for a trick-or-treat effect!

5. Mold It Up

Spoon the mixture into your molds, pressing firmly. Let them dry at least 24 hours before popping out.

Spooky Variations to Try

Spider Surprise

Hide a plastic spider inside and use black mica for a creepy crawl effect.

Pumpkin Spice Delight

Add a dash of cinnamon and orange essential oil with orange coloring.

Glow-in-the-Dark Witch Bombs

Use glow mica and store under light for a fun bathroom glow!

Boo Bombs for Kids

Make ghost-shaped fizzies using a silicone mold and sweet vanilla oil.

Packaging Ideas for Gifting

Wrap in cellophane with twine and a tag: “Drop in warm water and summon a spooky soak!”
Nestle in mini cauldrons from the dollar store
Use kraft boxes lined with Halloween tissue paper for classy spooky gifting
Add a punny printable tag like “You’re the bomb!” or “Witch, please!”

Tips & Tricks

Don’t over-wet your mixture—it can fizz prematurely.
Use gloves to avoid stained fingers.
Let kids help with colors and pressing (just maybe keep the glitter far away unless it’s a full moon).

Why These Are Better Than Candy

Let’s be honest—October sugar overload is real. These bath bombs are a charming alternative that still feel like a treat. Plus, they turn your bathroom into a spa and a mad scientist lab.

Whether you’re making them for your kids’ school party, teen Halloween sleepovers, or your own pumpkin-scented peace and quiet after bedtime chaos, these DIY bath bombs are a crafty way to keep Halloween fun—and fizzy.

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