Melt together the coconut oil, shea butter, and castor oil in a bowl over a pan of gently heated water
Cool in the fridge for about 30 minutes, just until it begins to solidify but still has a soft centre
Whip with a hand mixer for 2–3 minutes
Add the remaining ingredients and whip again for 3 minutes, until fluffy
Spoon into a sterilised jar with a lid
