A customer walks into a pharmacy looking for a new cream to keep their hands soft. They don’t have much to go by other than packaging and price, so they choose the same brand they use on their face.
get outside and squeeze some out of the tube with their normal
pressure, and their palm fills up with too much thin, watery cream that
seems to do nothing to remove the dryness. A disappointed customer, and
the very reason the cosmetics company should have used physical analysis
on their cream before they released it for sale.