OstoSORB Odour Neutralising Absorbent Gel Sachets (Renamed Absorb) OstoSORB neutralises pouch odour, absorbs excess fluid, dissolves completely in the pouch and is safe and easy to use. OstoSORB contains a highly effective odour neutraliser to help eliminate odours inside the pouch. OstoSORB will simply dissolve over time to absorb the extra fluid of pouch contents and then flush away unnoticed. It is suitable for any ileostomy or colostomy where the output is fluid, and will help manage noise and embarrasing leaks. OstoSORB will also help with pouch security at night.