Herbs and resins can be burned on top of these charcoals! Perfect for helping to create sacred space. Be sure to burn charcoals in a ceramic container or other such vessel that can withstand the intense heat of the burning charcoal. It is recommended that charcoals, herbs, and resins be burned responsibly, in a well-ventilated area, and away from children and animals.
This information is purely metaphysical in nature and is by no means medical.