In a double boiler (or a glass bowl set over simmering water on medium heat), add beeswax pellets, shea butter, and tallow. Stir occasionally until you have a smooth, melted mixture.
Remove from heat and stir in your carrier oil (jojoba, olive, or sweet almond).
Add in your drops of essential oil and optional vitamin E oil. Stir well to combine.
Carefully pour into lip balm containers, such as plastic tubes, small tins, or jars. A medicine syringe works well for precision filling. Secure with a rubber band if you’re holding several tubes upright.
Let the balm firm up at room temperature for 1–2 hours. Wipe spills with a paper towel.