1850 Tung'n Teak Oil is a unique blend of tung oil and teak oil. Tung oil, a natural oil extracted from the nut of an oriental tree, has been used for centuries to protect and beautify wood. Teak Oil is commonly used on teak furniture and boats. Circa 1850 Tung'n Teak Oil combines the penetration of teak with the durability of tung oil. It penetrates deep into the pores of wood to strengthen the fibres of the wood while providing a low lustre, hand-rubbed finish. Circa 1850 Tung'n Teak Oil is ideal for interior and exterior wood.