[30] Pumice in powdered kind was an component in toothpastes in historical Rome.[31] Nail treatment was vital in ancient China; nails have been held groomed with pumice stones, and pumice stones ended up also utilized to eliminate calluses. Inverse pityriasis rosea typically triggers a rash about the armpits or groin. https://socialwebnotes.com/story4539138/fascination-about-pumice-stone