Melt the shea butter in a pot over low heat or in a double-boiler. Once melted let it cool down for a few minutes – don’t worry, it’ll remain liquid. Alternatively, skip this step if your shea butter is soft enough, so much so you're able to stir it (it probably softens then even more).
Add zinc oxide along with your oil of choice, carrot seed oil and other essential oils (if using). If you haven't melted the shea butter, you can add the aloe vera gel (if using) as well.
Stir or whisk until well combined. I like using a silicone spatula for this. If you haven't melted the shea butter, you're done. Continue to step 6.
If you have melted the shea butter: Pour the moisturiser into a small jar or bowl (see next step) and put it in the fridge for about 45min to 1 hour until it’s slightly firm (or up to 2 hours until completely firm, if not using aloe vera gel). You could also do this by putting it in a cold room, but the fridge simply speeds up this process.After 1 hour, add aloe vera gel (if using) and mix. Refrigerate again for another hour or so until it's completely firm
Take out your moisturiser and either whip it with an electric mixer now (that’s why it might be a good idea to use a bowl in step 4), or you can let it sit for a bit to warm up to room temperature first. I don’t have an electric mixer and I just wait until it’s not rock solid anymore. Then I gently stir it with a teaspoon. You don’t even have to do this but I find it makes a nicer, creamier consistency.
Store moisturiser at room temperature (a little warmer is fine as well) in a dark place, like a cupboard.