[30] Pumice in powdered sort was an ingredient in toothpastes in historic Rome.[31] Nail care was crucial in ancient China; nails have been kept groomed with pumice stones, and pumice stones have been also employed to remove calluses. The real key with pumice stones should be to only use them https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/