Many people grow up believing that bathing every single day in the same way throughout life is automatically a sign of good hygiene and good health, but after the age of 70, the body—and especially the skin—undergoes significant biological changes that make this assumption less accurate and sometimes even counterproductive. As the skin ages, it naturally produces less sebum (the oil that helps protect and moisturize it), becomes thinner, and loses some of its ability to repair itself quickly after minor stress or damage.

This means that routines which were once harmless or even beneficial in younger years can begin to contribute to dryness, irritation, and discomfort later in life. For this reason, many health professionals now emphasize that hygiene in older adults should focus less on frequency and more on gentleness, protection of the skin barrier, and maintaining overall comfort. In other words, the goal shifts from “cleaning more often” to “cleaning more wisely,” because over-washing can gradually strip away the natural defenses the skin relies on to stay healthy.