Main content

How animal fats and ash help you get clean. The process of producing soap isn't difficult, but is time consuming. Soap making would have been discovered thousands of years ago by many different groups.

Picture: Soap image, Credit: Thinkstock

Available now

14 minutes

More episodes

Previous

Bronze

Next

Cotton

See all episodes from Who'd have Thought It?

Featured in...

大象传媒 World Service Archive

This programme was restored as part of the World Service archive project