... a role in cleaning the skin. This product Konjac (100% glucomannan fiber) made from natural ingredients, no coloring, no additives, and ... massage. Note: Improper drying, may be the black spots; Konjac is a natural plant may be a long time after decomposition; Do ... not wring, so as not to tear fibers. F32 100% Natural Konjac konnyaku Sponge