Millenials are responsible for the decline in the bar soap industry. They prefer liquid soap because bar soap is deemed “dirty” and for old people.
Touching stainless steel will remove the odor of garlic and onion from your hands. They even sell bars of stainless steel “soap”, which is just a bar of stainless steel to rub on your hands.
During WW2 it is suspected that soap was made from human corpses.
The average human body contains enough fat to make seven bars of soap.