Reetha in Urdu and Hindi is known in English as the Soap Nut or Soap berry, which are apt names. It was native to China and Japan, but is now cultivated in Pakistan and northern India. It grows on a deciduous tree, and the fruit can be picked any time after October. It stays on the tree, hanging in distinctive clusters of brown and orange when the leaves of the tree have been shed.
It’s included here because of its novelty value rather than any serious intention. However, its good for your hair and skin and you can also wash clothes with it as the husk surrounding the seed contains saponin which is a natural soap.
So if you ignore the carbon footprint you would leave, here’s how to make your own liquid soap.