Gum Benjamin is also known as Benzoin resin or styrax resin is a reddish brown , aromatic balsamic resin obtained from the bark of several species of trees in the genus Styrax. It is s obtained from Styrax benzoin grown on the island of Sumatra. Deep incisions are made in the trunk of the tree, from which the grayish colored sap exudes. When the resinous lump becomes hard and brittle, it is collected from the bark.

It has anti-pathogenic resins, which are exuded from the tree when it is damaged. Used in the manufacture of perfume and cosmetics and in medicine internally as an expectorant and externally as an antiseptic. It is a common ingredient in incense-making and perfumery because of its vanilla ice-cream aroma and fixative properties.