A process for making a medicinal substance using a range of tree gums or resins including mastic, Elemi, Benjamin (gum benzoin), Burgundy pitch, dragonsblood, and troches (dried cakes or lozenges) of alipta muscata, as well as bole armeniac, lead oxide, quince oil, Venice turpentine, beeswax, Himalayan balsam, and lavender oil.