Weigh out all your ingredients.
Melt butters and wax in a water bath or over a bain-marie until just melted.
Slowly add oils into melted butters, and mix gently. This gradual addition of ingredients reduces the need to heat the more heat-sensitive botanical oil ingredients at the start.
Start cooling down your blend in a cold-water bath. When under 40 degrees, add Vitamin E oil and peppermint essential oil.
Continue stirring gently in cold/ice water bath until an opaque/milky blend is observed. This is the point when oils, butters, and waxes are completely mixed and there is a low risk of separation of these ingredients in the final product.
Start whipping your mixture until fluffy.
Mix in arrowroot powder and cocoa powder properly.
Distribute into the jars.