In western medicine, beginning in the early 18th century, pumice was ground into a sugar consistency and with other ingredients was used to treat ulcers mostly on the skin and cornea.
Emithi yaseNtshonalanga, ekuqaleni kwekhulu le-18, i-pumice yayigaywe yaba ukufana koshukela futhi nezinye izithako yayisetshenziselwa ukwelapha izilonda esikhumbeni kanye ne-cornea.