Much more frequently, incontinence can become a side effect of any form of bladder cancer treatment. From having parts of the bladder removed to chemotherapy, radiation, and immunotherapy, these treatments can leave the patient dealing with incontinence.
This behavior frustrates well-meaning family caregivers no end. They worry that their family member may have increased urinary infections or even skin infections when regularly bathing doesn’t happen. Understandably, too, they would like their loved one freshened up, not only for themselves but for others.
Older people may not have the sense of smell that they had when younger, or that you might have so they may feel less than enthused about a daily bath. Again, your approach could be to simply invite them to go out for a walk or something. That might be enough for them to get to freshen up out of habit.