The present disclosure is concerned with a personal hygiene system, inparticular an oral care system, having a personalhygiene device, in particular an oral care device, having a treatment head, aposition determination unit for determining position informationof the treatment head in particular in relation to a user's treatment area ata plurality of time instances during a treatment session,a sensor unit for determining treatment parameter values of at least onetreatment parameter at the plurality of time instances, a processorunit for processing the determined position information and the determinedtreatment parameter values to generate at least position-resolvedtreatment data, a memory unit for storing at least the position-resolvedtreatment data, and a control unit for triggering an actionof the personal hygiene system based at least on a current positioninformation and on the stored position-resolved treatment data.