DIY Watermelon Bath Bombs

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Do you love taking a long, relaxing bath at the end of a hard day? Then why not take your luxurious soak to the next level with some homemade watermelon bath bombs! Not only will these fragrant and fizzy treats make your tub time even more relaxing, but they’re also fun and easy to make. Read on for our step-by-step guide on how to create these colorful and refreshing DIY watermelon bath bombs.

White plate with 5 watermelon scented bath bombs on display

Supplies Needed To Make the DIY Watermelon Bath Bomb Recipe

Supplies Needed:

supplies needed to make watermelon bath bombs

Supplies Needed:

Watermelon Scented Bath Bombs Tutorial

Melt any coconut oil in a microwave safe container in 30 second bursts. Stir in between each. Continue until completely melted.

Step 1: In a large mixing bowl, add the baking soda, citric acid, cream of tartar and goat milk. Whisk dry ingredients together. (If desired, sift dry ingredients to rid the mixture of any clumps or hard pieces)

Step 2: Add the coconut oil and scented oil. The coconut oil binds all the ingredients together, so your bath bombs don’t crumble when you touch them. Add the polysorbate 80. This helps the coconut oil disperse more evenly in your bath water, makes the bath bombs bubbly, and prevents the mica from sticking to the side of the tub.

Step 3: Mix wet ingredients in well. You may need to use your hands to break down any lumps and make sure everything is mixed in. The mixture is perfect when it holds together when you press it into your hands and feels like wet sand.

Steps 4-5: Divide the mixture into 2 bowls. Add 1-2 teaspoons of the green mica to one bowl and the same amount of the red to the other bowl. Continue to add a bit of mica until you achieve the color you desire.

Steps 6-7: Mix the glitter and poppy seeds together. Add to the bowl with the red bath bomb mixture and mix well.

Steps to make watermelon bath bombs

Directions for Molding the Bath Bombs:

Step 8: Add the green mixture to one of the bath bomb molds, filling it about 1/2-2/3 full. Add the red bath bomb mixture until the mold is slightly overflowing. Add the red to the other bath bomb mold until it too is slightly overflowing.

Step 9: Over the smaller, empty bowl, press molds together and gently but firmly grind to remove any excess mixture. Gently tap mold to release the bombs. Allow to dry a minimum of 24 hours. If your climate is wet or cold, allow an additional 24 hours. My rule of thumb is that when it is hard to the touch, they are ready for the tub! Store in an airtight container for up to 6 months until ready for use.

Watermelon Bath Bombs making in molds


*Some links may show a larger bag. This is done because the price per bag is higher but the cost per ounce is lower. Of course, there are others in a smaller amount at a lower cost per bag

**If using on children, please check a trusted source for the safe amount to use.

Recipe notes and tips:

While the recipe is straightforward, it is always nice to have a few different tips and suggestions to make things easier. So here are some of the recipe notes and tips to help you out:

  • Be sure to spray the molds with rubbing alcohol before filling them. This will ensure that they don’t stick together when you are pushing them out of the mold.
  • If you want a smoother bath bomb, sift your dry ingredients before adding them to the wet mixture.
  • For a more uniform bath bomb, try to use the same sized scoop when adding your wet and dry ingredients.
  • If you are having trouble shaping your bombs, wet your hands before handling the mixture. This will help keep it from sticking to your hands.
  • Adding some essential oils can give your bombs a nice scent. Lavender, lemon, and eucalyptus are all great options!
  • For a more moisturizing bath bomb, try adding some shea butter or cocoa butter to your mixture.
  • If you don’t have the time or energy to make your own watermelon bath bombs, you can find them pre-made at many stores and online retailers.

We hope that this DIY Watermelon Bath Bomb Recipe was helpful for you! Making your own bath bombs is a great way to customize your bathing experience. Not only are they fun to make, but they also make a great gift for friends and family alike. So why not give it a try today!

Variations to try:

Like with many recipes there will always be variations to try. Here are a few suggestions.

  • Try adding a few tablespoons of baking soda to the mixture for an extra fizz.
  • Swap out the poppy seeds with dried rose petals or lavender buds.
  • Add a few drops of food coloring in place of the mica for vibrant colors.
  • Try a different shape for your bath bombs. You can use cookie cutters or silicone molds to make fun shapes like stars or hearts.
  • Add a few drops of fragrance oil in place of essential oils to give the bombs an extra kick of scent.

No matter which variation you decide to try, have fun and enjoy your creation! Bath bombs are a great way to relax after a long day, so don’t forget to take some time for yourself. Soaking in an aromatic bath can really make all the difference. Enjoy!

2 watermelon bath bombs in a little metal bucket full on pearls


Like with any recipe, there are often questions that need answering. I thought I would share some of the common questions here, but if you have any comments or questions please don’t hesitate to get in touch directly.

How long should the bath bombs cure for?

The general rule of thumb is to allow your bath bombs to dry and cure for 24-48 hours. This ensures that all the ingredients are properly dried and set before use. If your climate is wet or cold, allow an additional 24 hours

Is it safe to use on children?

Yes, as long as you check a trusted source for the safe amount to use. Essential oils can be used in small doses but please make sure you research ahead of time which concentrations are appropriate for kids.

Can I add food coloring to the mixture?

Absolutely! You can add a few drops of food coloring to the mixture for a fun and vibrant look. However, keep in mind that too much food coloring can stain bathtubs so use sparingly.

Where can I find the ingredients?

Most of the ingredients used in this recipe are readily available at your local grocery store or online retailers such as Amazon. We recommend doing some research to allow you and your readers to find the proper products at the best price.

Making your own watermelon bath bombs is a great way to customize your bathing experience. Not only are they fun and easy to make, but they also make a great gift for friends and family alike. With the right ingredients, creative ideas and helpful tips provided in this article you can now go ahead and start experimenting with different variations of our DIY Watermelon Bath Bomb Recipe!

Whether it’s adding essential oils or food coloring for vibrant colors, there’s plenty of ways to get creative. So why not give it try today? We hope that you have enjoyed making these homemade watermelon bath bombs as much as we did!

Create Your Own Watermelon Bath Bombs!

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