I like my Sonicare toothbrushes (models 2100 and 3100), but the plastic of the switch-on button always disintegrates after a year and soon afterwards the toothbrush can no longer be switched on. Galaxus always replaces the appliance without any problems. But it's not sustainable. Before I buy a more expensive model with the same problem for nothing: Does anyone know which models have a more solid switch-on button and not just a soft and rubbery plastic cover?

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