Clean and sanitize your work area and all equipment to ensure your salve remains free from contaminants.
In a double boiler or heat-safe bowl set over a saucepan of simmering water, add the beeswax and shea butter. Heat gently, stirring occasionally, until both the beeswax and shea butter are completely melted.
Once the beeswax and shea butter are melted, add the calendula infused herbal oil and sweet almond oil to the mixture.
Continue to heat and stir until the oils are well combined and the mixture is completely liquid. Do not overheat.
Remove the mixture from heat and take its temperature using your thermometer.
Add the lavender essential oil and sandalwood essential oil, once the mixture is 140 degrees or below. Stir well to ensure the oils are evenly distributed.
Carefully pour the hot mixture into your prepared glass jar or tin.
Let it sit undisturbed at room temperature until it cools and solidifies completely.
Once the salve has cooled and hardened, secure the lid on the jar or tin.
Label your salve with the date and ingredients.
Store it in a cool, dry place away from direct sunlight.
