Safely deep clean by placing cup in open pot of boiling water for minutes. OR (this method isn't recommended by some manufacturers) deep clean using 1 part hydrogen peroxide to 6 parts water in a cup or bowl and soak your cup for minutes.
Menstruationstassen können auch mit IUPs verwendet werden / Menstrual cup size chart and comparison tool. Slide image to easily compare cup shapes, sizes, and features. -and they go with IUDs of all kinds