Heartwood are mixtures made from wood, incense, plants, vegetable dyes and essential oils. Each jar contains a notice recalling the spiritual uses of this article. The tree is the symbol of spiritual elevation, it is the ladder to ascend towards the Celestial Forces and thus obtain the hoped-for graces. These “enriched” Heartwood, also called Perfect Wood, are a link between earth and Heaven, mystical keys. 100% NATURAL.