Loofah can also be called loofah tendon, which is actually the fiber tissue of loofah. After the old loofah is dried, peeled and seeded, it is loofah. It is also very convenient to ask others to grow some old loofah for DIY. If you want to buy it, it seems that there are also some in the supermarket, and it is usually sold as a bathing tool. The price will fluctuate greatly according to different brands, ranging from several yuan to several tens of yuan. I once bought a Japanese brand of loofah rubbing stick (that is,