Overall, one month is the ideal age since it has multiple benefits viz. the umbilical cord stub has fallen and
navel has dried, the
skin is less sensitive than birth, the
skin has better airtightness and the baby
at this age can be more responsive towards touch.
Then, after 24 hours without bathing, the volunteers arrived
at the lab, where researchers swabbed and scraped their
skin in 20 places — everywhere from the nostril to the
navel to that bane of low - rise jeans aficionados, the gluteal crease.