The konjac sponge company presents the 6 wave bath sponge with bamboo charcoal a 100 naturally sustainable product delicately handmade purely from moisture rich konjac plant fibres and volcanic water enriched with detoxifying charcoal it works to destroy blemish causing bacteria and is an effective natural treatment for acne prone oily skin types the innovative biodegradable sponge has a unique net like structure that turns silky soft when wet and works to deeply cleanse and gently exfoli