CLORPACTIN® WCS-90 (sodium oxychlorosene) is a broad-spectrum chlorine-based topical antimicrobial that is currently used primarily to treat infections in the urinary bladder. It has also been used in surgery for treating a wide range of localized infections in the peritoneum (the lining of the abdominal cavity), as well as the eye, ear, nose and throat, and sinuses. The product is a powder that is mixed with water by the end user and used as a solution. It is also a powerful disinfectant, fungicide, and deodorizer.