Hydrea London Bamboo and Loofah Sponge is a luxuriously silky soft bamboo fabric and gently exfoliating loofah, combined in a sponge for an all over cleansing, massaging and exfoliating experience. Hydrea London Bamboo and Loofah Sponge is a luxuriously silky soft bamboo fabric and gently exfoliating loofah, combined in a sponge for an all over cleansing, massaging and exfoliating experience.