S2·E18 – How Does Soap Make You Clean?
2001-01-07 • 30 min
Where soap gets its cleaning power from, why water alone can't get you clean, and where soap scum comes from. Behind the reason why people don't use soap to wash their hair.
2001-01-07 • 30 min
Where soap gets its cleaning power from, why water alone can't get you clean, and where soap scum comes from. Behind the reason why people don't use soap to wash their hair.