Pumice Stones. When frothy lava cools rapidly, lightweight, abrasive volcanic rocks known as pumice stones are created. When frothy lava cools quickly, a lightweight, abrasive volcanic rock known as pumice is created.
PUMICE STONES
To keep your feet healthy and smooth, you need a pumice stone and foot scrub. Frequent use promotes soft, renewed skin, prevents calluses, and eliminates dead skin cells.