Pharmacy pumice is 100% clean natural stone with cutting output.Dose past, the laws anvendelsepimpstenen remove gently hard skin on feet, knee past, the laws elbows past, the laws prevent formation of new hard skin. Pumice used on vad skin, past, the laws like after one softening boat.Pharmacy pumice should not used on skin there is sore, inflamed, fissured or annoyed on other made. By diabetes or bad blood circulation should doctor consulted before product used.