PHOSPHORIC ACID-ADSORBING DRUG FOR EXTERNAL USE HAVING EFFECT OF INHIBITING MICROBIAL GROWTH, PRODUCT CONTAINING THE SAME AND METHOD OF PRODUCING THE SAME

摘要

It is intended to provide a drug for external use which is highly stable in vivo, can be produced at a low cost and has an effect of inhibiting microbial growth, characterized by containing, as the active ingredient, amorphous ferric hydroxide produced in the presence of ferrous hydroxide.