Ingredients 3 cups water 1/4 cup oatmeal 1/4 cup liquid castille soap 6 – 12 drops lavender essential oil 1 tsp vitamin E oil 2 tsp jojoba or avocado oil Bring water to a boil. Place oatmeal in a glass bowl and pour boiling water over oatmeal. Let sit for 1 – 2 hours and then strain water to remove oats from water. Mix castile soap, essential oil, vitamin E oil, and jojoba/avocado oil with a whisk until fully incorporated. Fill about 10 – 15% of your foaming soap dispenser.