The handling is somewhat awkward. Only clean, Danne reapplication. The end result is the extent zurfiedenstellend. One must, however, do not expect now not to have more teeth. Thanks to the sealing it is, however, much faster, because I now the shower dry only with a wet cloth, auswische without cleaning agents and using a cloth. How long holds the seal I can still nciht say Allerding. For me it is on it for about 2 months.