This Unicorn Watermelon melt and pour soap uses goat’s milk base in soft pastel pink and green, poured in back-and-forth stripes and finished with a fluffy textured top. It smells like sweet watermelon, and it’s a fun one to make with kids.
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Materials & Tools
Soap Base
- Goat’s milk melt and pour soap base, split into two bowls
Color & Scent
- Non-bleeding color blocks in green and bubblegum pink (I used Bramble Berry’s). Non-bleeding colors keep the stripes crisp.
- Watermelon fragrance oil
Tools
- A rectangular or loaf soap mold, like a loaf soap mold
- A spoon or spatula for texturing the top
- Spray bottle of 91% isopropyl alcohol
- Thermometer
Fragrance Amount
Use up to 5 ml of fragrance oil per 16 oz (1 lb) of soap base. You can always use less if you like a lighter scent, but don’t go over 5 ml per 16 oz.
How to Make Unicorn Watermelon Soap
1. Melt with Color Blocks
Cut the goat’s milk base into cubes and split it into two bowls. Add a small piece of green color block to one and pink to the other. Melt in short bursts, about 30 seconds total in 10-second spurts, and stir.
2. Cool and Scent
Add the watermelon fragrance and keep stirring both bowls so they cool evenly. Once they hit the 120s, goat’s milk sets fast, so be ready. I poured both at about 135°F with a light trace.
3. Pour in Stripes
Pour one color in a thin line back and forth across the mold, then the other. Keep alternating. Spray with alcohol to pop bubbles between pours.
4. Texture the Top
Let the top start to set and develop a skin, especially on the edges. Then lightly whip the very top with a spoon or spatula to make a fluffy, chunky texture. Stay shallow so the colors underneath don’t blend.
5. Let It Set Overnight
Leave the soap to set overnight before unmolding and cutting.
Tips & What I Learned
- Use non-bleeding colors. They keep pink and green from running into each other.
- Stir to cool evenly. Both colors should be ready at the same time.
- Goat’s milk sets quickly. Once it hits the 120s, work fast.
- Texture only the top. Go shallow to keep the stripes.
- Great for kids. Pouring stripes is easy for little helpers.
Troubleshooting
The colors blended. The soap was too hot, or the top was textured too deeply.
The soap set before I finished. Work faster once it reaches the 120s, or rewarm briefly.
There are bubbles. Spray with alcohol after each pour.
FAQ
What is a color block?
It’s a concentrated block of colored soap base. Melt a small piece into your base for even color.
Can I use shea butter base?
Yes. Any opaque base works.
More Fun Soap Ideas
- Unicorn Cupcake Melt and Pour Soap
- Bubble Grape Melt and Pour Soap
- Pink Fun Melt and Pour Soap
- Candy Cloud Melt and Pour Soap
- All my melt and pour soap tutorials on YouTube
If you make this, I’d love to see it! Tag me on Instagram or Pinterest, and subscribe on YouTube for new soap tutorials.
