Add the beeswax pastilles, coconut oil and vitamin E oil to the top half of your double boiler pan on medium-high heat.Once the water starts to boil, turn the temperature down to low so the water comes down to a simmer.
In a small bowl, add the cocoa powder and olive oil and whisk well to combine. Make sure to break up all the lumps in the cocoa and keep mixing until everything is smooth.
Pour the chocolate lip balm mixture into the tubes, using a small funnel if you have one. Carefully fill one tube at a time until it is just below the top.