[thirty] Pumice in powdered kind was an component in toothpastes in historical Rome.[31] Nail care was very important in historic China; nails were kept groomed with pumice stones, and pumice stones were also used to remove calluses. Rub the pumice stone in circular motions over the calloused area. Use Mild, https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/