Abrasive pumice stones are sold to you exactly as they are found in nature. Use them to slough away callouses and dead skin.
Soak area you plan to scrub in warm water. In a circular motion, gently rub Pumice Stone over skin. Be careful not to over-scrub and cause injury. Use a brush to clean the stone and allow it to dry.
These pumice stones come from Mt. Shasta in California, where pumice was formed when hot lava mixed with water and caused it to harden. The result is a porous and abrasive stone, ideal for gently scrubbing away callouses and dead skin.