[30] Pumice in powdered type was an ingredient in toothpastes in ancient Rome.[31] Nail treatment was important in historic China; nails were being saved groomed with pumice stones, and pumice stones have been also applied to get rid of calluses. Rub the pumice stone in round motions over the calloused https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/