Raw wool soap is suitable for removing all kinds of natural pollution of raw fibers and preparing the fibers for the spinning stage. This soap, with the ability to improve the hydrophilic property, causes complete wetting of the fibers and by removing the contamination, it makes the fibers transparent. The quick settlement of dirt and pollution in the first basins and quick and complete cleaning and unwrapping of raw wool, high performance with a small amount, health-oriented and being environmentally friendly are other features of this soap.