EVOWAY DIESEL CLEANER is a 3 in 1 M.A.S. formulation. It consists Mineral hydrocarbon, Alcohol and Synthetic as the active ingredients. It completely dissolves and more than 95% immediately combustible, the balance 5% will provide a temporary protection against worn out valves, piston ring and cylinder wall. This protective film will eventually depleted after a while, due to enormous heat in the combustion chamber and friction between two rubbing surfaces of the engine components. Recommended shelf life is 3 to 3½ years.