Bars of soap harbour bacteria and soap in bottles providing tops are clean and is in date are safer from health infection protocols. As a district nurse I was not allowed to use bars of soap in patient's houses. If no hand gel was available we had small bottles of sanitising gel to use.
What decade were your grandparents born?
Desperately sad story of the assisted suicide of a grieving mother
but that's what she meant. It doesn't have to be hot water either. Perhaps we use soap because it smells nice and softens the skin, but not absolutely necessary according to her.

