Konjac Facial Sponge
From the vendor:
A biodegradable cleansing sponge made of the konjac plant root. Offers gentle cleansing, making it suitable for all skin types and for daily use.
Instructions: the sponge is hard when dry. Soak it in warm water a few minutes before use. In contact with water it turns soft and spongy. Use just with water or with your favorite facial cleanser to remove make-up, sweat and environmental pollutants. Rinse after every use, hang to dry.
White sponge: collagen (dry skin)
Green sponge: green tea powder (aging skin)
Black sponge: activated charcoal (oily skin)