After use, rub the brush head against a towel for a few seconds, then place the appliance with the brush head attached in the charging stand. You can also let the brush head air dry before you assemble it on the handle. Never dry the brush head on a radiator or in a tumble dryer.
For the Precision brush specifically, we recommend using it once a day. If you prefer to use it more than once a day, please wait at least 8 hours between uses to allow enough time for the brush to dry.