... be used for cleaning household objects, such as the toilet.How to Use a Pumice Stone: To use a pumice stone properly, it's ... best. Use a soft, circular motion to gently buff away the dry skin. Rinse the area to remove the dead skin once you're finished with ... dead. This can cause sores, open wounds and possible infection. How to Use a Pumice Stone During a Pedicure: If you're ...