Aleppo Soap Co Loofa natural sponge 9 x 10cm Loofah is a sponge traditionally used to gently but effectively exfoliate the skin. It removes dead skin cells, leaving skin soft and smooth with improved blood circulation. Loofah, a natural product, is a sponge cucumber (Luffa aegyptiaca), an herbaceous, annual vine in the cucumber family. It is grown on the banks of the Nile and dried for several months, leaving a coarse fiber sponge. Loofah is 100% natural.