Earth Day Bath Bombs

If you haven’t joined our new bath bomb Facebook Group, check it out! We’re having a fun Earth Day contest and I’d love to have you join. To enter, you simply post a picture of a bath bomb or bubble bar inspired by the Earth! Get more info in the group.

I wanted to post a tutorial of my little earth-inspired bath bombs. So here it is!

The recipe is my basic bath bomb recipe.

Earth Day Bath Bombs

Ingredients

  • Baking Soda – 1 cup (250 grams)
  • Citric Acid – ½ cup (100 grams)
  • Cream of Tartar – 1 tablespoon (12 grams)
  • Kaolin Clay – 1 tablespoon (3 grams)
  • Corn Starch, Tapioca Starch or Arrowroot Powder – 1 tablespoon (10 grams)
  • Avocado Oil – 1 teaspoon (5 grams)
  • Polysorbate 80 – 1 teaspoon (5 grams)
  • Scent – 7 grams
  • FD&C Yellow No 5 Dye Powder (Mad Micas)
  • FD&C Blue No 1 Dye Powder (Mad Micas)

Directions

Step 1: Measure or weigh all the dry ingredients into your mixing bowl. In another container (a small measuring cup works well), measure or weigh all the wet ingredients and mix them together. If you’re using a butter in place of the avocado oil, be sure to melt it first.

Step 2: Pour the wet ingredients into the dry ingredients and immediately start to mix. If you let it sit, it will react and fizz.

Step 3: Blend the mixture using a hand mixer or a stand mixer. I haven’t found that the powders jump into the air when mixing. If you’re concerned, you can cover the bowl with a towel as you mix.

Mix for about a minute. This helps to break up clumps and aerate the mixture. You can also break up any clumps using your hands if needed. Remember that oil clumps in your mixture can cause warting, so be sure to break them up.  

Step 4: Divide your mixture into three bowls to color.

Step 5: Add green to one bowl and blue to another. Mix well. For a small batch like this, I just mix by hand.

When working with water soluble dyes, it is best to “bloom” them. If you add the powder color directly to your mix, it might not mix in well or be the brightest it can be. Here is how I do a quick bloom when working with dyes in small batches of bath bombs.

  1. Scoop two .15 CC mini scoops full of dye into a small spoon.
  2. Add just enough water to dissolve and mix using a tooth pick.
  3. Add to your bath bomb mixture and mix quickly. It will fizz, since we bloomed using water.

I mixed my own green using blue + yellow. Once mixed, I could test it on a paper towel to see how I liked it.

My bloomed green color!

Step 6: Spray with your binder to get each color to the right consistency. For more details, visit the basic bath bomb tutorial.

Step 7: Layer each color into your bowl as shown. As you scoop using a meat baller, you’ll grab a bit of each color.

Step 8: Scoop your bombs! Be sure to grab a bit of each color as you scoop to get the earth design.

This small recipe creates about 5-6 bombs depending on how tightly you pack.

Let your bombs dry and then package!

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