Organic Macadamia foot scrub is specially designed to cleanse the coarsened skin of the feet, effectively moisturizes and nourishes the skin of the feet. The value of macadamia oil. Extraction of macadamia nut oil is a very complex process. It is difficult to separate nut kernels from the shell, in this regard, macadamia is mined less than black caviar, so the price of nuts and oil is so high. Bio macadamia oil deeply nourishes, improves skin's protective barriers. Bio Volcanic Coal is a natural absorbent that cleanses and renews the skin. Bio ground green coffee beans make the skin of feet soft and smooth.