Long popular in Japan for its purifying qualities, Binchotan charcoal is created by burning oak branches over extremely high temperatures and then rapidly cooling them. The result is the highest quality activated charcoal. An all-natural sponge made with pure vegetable fibers and ultra-fine Binchotan charcoal powder. Made from the roots of a vegetable fiber called Konjac (an edible plant) and a micro-fine powder of Binchotan charcoal. This 100% natural sponge gently exfoliates, cleanses, moisturizes, and effectively balances your skin’s pH level. the extra fine texture is ideal for the most sensitive skin – even for babies and those with atopic dermatitis.