The Volcanic Pumice Stone works to deeply cleanse the skin while preparing it for further Beautigena treatment. Lava cools and mixes with water to create these volcanic pumice stones. Pumice also known as pumicite is a volcanic rock that consists of highly vesicular rough textured volcanic substance that has been scientifically proven to soften and exfoliate the skin. It works by gently removing dry and dead skin cells from the surface, it delivers unbelievably soft and smooth results for effortless exfoliation.