Simply wet to cleanse the face of its impurities, can be used with or without soap/cleanser. Konjac is natural, compostable and biodegradable. BLACK: infused with activated bamboo charcoal, ideal for oily and blemish-prone skin INSTRUCTIONS: Dip the sponge in warm water to soften it. Using the sponge, massage your face and body in circular motions. After use, rinse well and let dry until next use.