Oct 10,2022
Just follow the directions below and you’ll be making bath bombs in no time.These make a great Christmas or birthday gift as well,so you might want to stock up on supplies.Once you make one,you’ll want to make more!

INGREDIENTS NEEDED FOR rainbow bath bombs

1/2 cup baking soda

1/2 cup citric acid

1/4 cup melted coconut oil

1/4 cup cornstarch

Therapeutic grade essential oil(like peppermint or lavender-scented)

Bath soap colorant:red,yellow,orange,green and blue.


If you would like your bath bombs to have that traditional ball-shape,you’ll need to purchase some circular bath bomb molds.(If you follow that link,you’ll see there are lots of other types of shapes as well if you want to experiment.)

I would recommend having more than one bath bomb mold,especially if you want to make a bunch at the same time.

You will also want some plastic gloves to use while working with your coloring agent.


1.Mix together the baking soda,citric acid,and cornstarch.Make sure that they are well blended before moving on.

2.Add a few drops of your chosen essential oil to the melted coconut oil.

3.Slowly mix in small amounts of your coconut oil at a time so the mixture doesn’t fizz.

4.Use a 1/4 cup measuring cup to divide the bath bomb mixture into five separate bowls.Of course,if you have fewer colors to add,you can use fewer bowls.Have one bowl for each color.

5.Add a few drops of each color you are using to each bowl,making each bowl a different color.

6.Wear plastic gloves and then mix the color into the mixture in each bowl with your fingertips.

If the mixture seems too crumbly and won’t stick together if you try to push it together,you can spray it with a couple of squirts of witch hazel to try to help it stick together better.

7.Open the bath bomb molds face up,add red to one side and blue to the other side.Only fill the mold a little over 1/3 full on each side.

8.Then add orange on top of the red and green on top of the blue.

9.Add yellow to the remaining room on both sides.Add at least a tablespoon extra to give it a slightly heaping appearance to help the two halves come together.

10.Press the molds together tightly.Allow the bath bomb to sit in the mold for at least a few minutes,although a longer time would be better.

11.Carefully remove the rainbow bath bomb.

12.Set aside to dry overnight.

If you find it tedious to make your own rainbow bath bombs, you can buy the products directly from our website.

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