Teach Soap

Hi

I found a lot of recipes using Fragrance Oils for making bath bombs. I have a stock of Essential Oils that I'd prefer to use. I had a quick question adding them to Bath Bombs. Here's a recipe I found but was confused about no carrier oil in the recipe having EOs.

Should I mix the EO with a carrier oil before adding? If so, how much Avocado Oil would you suggest I mix with the EO's in the following recipe?

Thanks in advance for any info

Ingredients

1 cup baking soda
1/2 cup citric acid
1/2 cup cornstarch
1/2 cup epson Salt
1 teaspoon eucalyptus essential oil
1 teaspoon tangerine essential oil
1/2 teaspoon frankincense essential oil
Spray bottle with water

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Joey