This cute and easy DIY Watermelon Soap can be made in just 15 minutes, and it smells delicious! A quick and easy homemade gift idea that’s perfect for friends, family, teachers, and more!
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15-Minute DIY Watermelon Soap
This DIY watermelon soap is the cutest! I love these homemade soaps for their sweet summertime fragrance and because they are totally adorable, but what I love the most is the fact that I can whip up an entire batch of these beauties in under 15 minutes! Each layer will take a little longer to firm up, but the actual “work” part is done in less than 15 minutes. Easy peasy!
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How To Make Watermelon Soap
Supplies Needed for DIY Watermelon Soap
- Goat’s Milk Soap Base (can also use Shea Butter Soap Base or Coconut Soap Base)
- Clear Soap Base
- Silicone Loaf Soap Mold
- Pyrex Measuring Cup
- Green Soap Colorant*
- Red Soap Colorant*
- Watermelon Fragrance Oil
- Poppy Seeds
- 99% Isopropyl Alcohol in a Misting Spray Bottle
* Note: I have been playing around with different types/brands of soap colorant lately, so for this watermelon soap, I used new-to-me supplies from Bramble Berry (a soap supply store). They worked wonderfully, and I highly recommend them; however, traditional red and green liquid soap colorants (available on Amazon.com or in local craft stores) will work as well!
IMPORTANT NOTE: Before pouring the melted soap into the mold, spray the top of the previous soap layer with alcohol to help the layers adhere together!
For the Dark Green Layer: Cut 1/2 lb. of the goat’s milk soap into cubes. Place the cubes into a 4-cup Pyrex measuring cup, and melt in the microwave in 30-second increments, stirring well after each. When the soap is completely melted, add 10 drops of watermelon fragrance oil and green soap colorant (as much as needed to achieve the desired color). Pour 3/4 of the green soap into the bottom of the soap mold and allow to firm for 15-20 minutes. Spritz the top of the liquid soap with isopropyl alcohol to remove any air bubbles.
For the Light Green Layer: Take the remaining dark green soap (still in the Pyrex measuring cup) and add 1/4 lb. of white soap cubes. Melt in the microwave and stir until fully mixed (will be a light green color). Spritz the top of the dark green layer with alcohol again and pour the light green mixture into the soap mold. Spritz with alcohol again to remove any air bubbles, and allow to firm for 15-20 minutes.
For the White Layer: Melt 1/4 lb. of white soap cubes in the microwave. Add 5-10 drops of watermelon fragrance oil. Spritz the light green layer with alcohol, pour the white layer into the soap mold, and spritz the top with alcohol to remove bubbles. Allow to firm for 15-20 minutes.
For the Red/Pink Layer: Cut 2 lbs of clear soap base into cubes. Microwave until fully melted, then stir in 15-25 drops of watermelon fragrance oil and 1 tbsp. of poppy seeds. Spritz the white layer with alcohol, pour the red layer into the soap mold, sprinkle the top with a few more poppy seeds, and spritz one last time with alcohol to remove bubbles. Allow to firm for 90 minutes or until soap has completely hardened (time will depend on temperature and humidity).
Carefully remove the silicone liner from the wooden mold, and then remove the soap from the silicone.
This loaf mold makes an extra large batch of soap, so you can expect to get around 10-12 soaps from each batch.
Use a sharp knife to slice the soap into bars.
You can leave the rectangular soap as-is, or you can cut the corners as shown to create cute little triangle-shaped watermelon slice soaps!
The watermelon soap looks red on an opaque background, but if you allow the light to shine through it, you’ll see that it’s actually a bright magenta pink!
They almost look good enough to eat! The watermelon fragrance is incredible – it smells just like Bubbleicious watermelon gum!
These DIY watermelon soaps are the perfect way to brighten up your summer, and they would make a great gift for friends, family, teachers…or anyone on your gift list!
If you like this DIY Watermelon Soap, don’t forget to pin it!
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Heidi Kundin has captivated the hearts of millions with her colorful and inspiring approach to crafting, celebrations, and family fun. With over 15 years of experience, Heidi’s website has become a must-visit destination for those seeking quick and easy creative ideas and last-minute solutions. Her warm personality shines through her posts, inviting readers to join her on a creative journey that’s fun, rewarding, and achievable.