Preserve rubbing right up until you have taken off most of the dry or calloused pores and skin in the region. If you're completed, rinse from the pumice stone and use some moisturizer to the skin. For tips about caring to get a pumice stone so it lasts more time, https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/