A balsam exuded from the trunk of Toluifera Pereiroe. It is a reddish-brown or nearly black liquid, thick and syrupy, and insoluble in water. It contains benzoic acid, a number of resinous principles, a volatile oil, and other constituents.

It is a vascular stimulant and nerve sedative, antiseptic, and disinfectant, and is used externally as an application to stimulate granulating surfaces. It is not used internally, though it has mild action as a carminative and as a stimulant and disinfectant expectorant.