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.

There’s always one cheeky elf who pushes things a little too far—and this time? He’s covered in Grinch Gunk! This fun, fizzy Grinch Gunk Bath Slime is a gooey, giggle-worthy bath treat that looks mischievous but is totally skin-safe. It’s squishy, jiggly, and dissolves into the bath for a silly Christmas soak your kids won’t forget.

Whether you’re staging your Elf on the Shelf’s latest misadventure or putting together a “Grinch Spa Kit” for holiday gifting, this bath-safe slime is part sensory play, part bath magic.

Why You’ll Love This Grinchy Goo

Safe and fun for kids
No harsh ingredients—just skin-loving gentle goo
Doubles as sensory play before bath time
Can be poured into the bath like a bath gel
Perfect for Elf on the Shelf setups or DIY stocking stuffers
Customisable with scent, shimmer, and fun containers

Ingredients – Guar Gum Gel Version (Skin-Safe, Natural)

Makes about 1 cup of Grinch Gunk

1 cup warm distilled water
1 tsp guar gum powder (natural thickener)
1 tbsp glycerin or aloe vera gel (skin soothing + slip)
5–10 drops peppermint essential oil (or vanilla-mint blend)
Green mica powder or food-safe soap colorant
1 tsp baking soda (optional, helps soothe skin)
Small jar or squishy tub container

Optional:

A pinch of eco-safe glitter
Mini plastic Grinch or Elf toy
Printable “Help! The Grinch Got Me!” tag

Melt-and-Pour Version (For Squishy Soap-Like Texture)

½ cup clear melt-and-pour soap base, chopped
1 tbsp vegetable glycerin
Green soap colorant or mica
5 drops peppermint essential oil
Heat-safe jar or silicone mold

How to Make – Guar Gum Version

In a mixing bowl, combine warm water and glycerin.
Slowly sprinkle in the guar gum powder, whisking constantly to prevent lumps. Let sit for 5 minutes to thicken.
Add baking soda, essential oils, and green mica. Whisk again until smooth and gooey.
Add glitter or shimmer if using. Pour into small jars.
Let sit uncovered for 10–15 minutes before sealing.

How to Make – Melt & Pour Version

Gently melt soap base in microwave or double boiler until fully liquid.
Stir in glycerin, mica, and essential oils.
Pour into jar or mold and allow to cool and firm up. The result: a jiggly, jello-like slab of bath slime!

How to Use Grinch Bath Slime

Scoop a tablespoon or two into the tub as the water runs
Rub between hands for silly slime play before rinsing
Watch it dissolve into a silky, minty soak
Store leftovers sealed, out of sunlight, for 1–2 weeks (guar gum version)

Note: As with all kids’ bath products, adult supervision is recommended. Avoid eyes and mouth.

Elf on the Shelf Setup

Here’s how to make your elf’s Grinch-y mischief come to life:

Place your Elf in a clear jar of green slime
Add a sign that says:
“HELP! The Grinch Got Me!”
Scatter a few green drops or slime trails around the counter
Leave behind a note that says:
“I tried to sneak a treat, but the Grinch left me stuck in goo! Scoop some into your bath—if you dare!”

Gifting Tips

Grinch Gunk makes an adorable DIY gift for:

Christmas Eve boxes
Classmate gifts
Stocking stuffers
Holiday bath kits
Grinch movie night party favours

Packaging ideas:

Green slime in mini jam jars
Labelled with: “Grinch Gunk – For When You’ve Been a Little Naughty”
Tie with black ribbon or pipe cleaner “antlers”
Pair with a mini candy cane or elf sticker

This Grinch Gunk Bath Slime brings just the right amount of holiday chaos to bath time. It’s festive, fun, and full of sensory magic—and the perfect way to turn a simple soak into a giggly, sparkly memory.

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