Yes. TSS cases in menstrual cup users are not common but they are possibleA few years ago a French study indicated that frequent disinfection may decrease infection risk. The study suggested to change to a fresh cup every 6 hours. To make this practical it would be best to have 4 cups in rotation and disinfect them once a day. We do offer a 10% discount for any cup purchase or 2 or more menstrual cups to make this approach more affordable. The Consumer Reports summary can be found here Some things to keep in mind: There are very few cases of TSS in menstrual cups on recordThe study identified that the bacteria associated with TSS clings much less to TPE than it does to silicone. MeLuna cups are made from the safer TPE material- not silicone!MeLuna cups original cleaning instructions of cleaning with Cetaphil and disinfecting only twice during each cycle was verified to be sufficient in an independent lab study for our FDA clearanceIf you have had TSS before any internally worn menstrual device (cup or tampon, etc) is NOT recommended