1,made of vegetable fiber 2,no coloring,no additives, 100% natural 3 ... WHO . GLUVOMANNAN is the main ingredient of the konjac fiber ,so-called KGM.it has very high hydroscopicity. ... the konjac sponge is just made of konjac fiber.Why they love konjac sponge ?effectively remove excess sebum, ... your flower.In one word,it's safter than PVA sponge,softer than loofah sponge, and cheaper than ...