Luna Blu Soap nuts or soap berries are probably the most sustainable cleaning product on the market.
They are an all-natural, plant's product because they are just fruit from a tree, grow in the north of Thailand they organic and require very little processing or packaging.

They are naturally hypoallergenic, odourless and do no damage to surfaces or fabrics.
There are countless ideas on how to use them, making them sustainable and versatile.

The soap nut comes from the Soap nut Tree (Sapindus Rarak). The trees produce the small, dark, berry, approximately one inch (2-2.5 cm) in diameter, that are de-seeded and the shell dried before use.
The shells used for detergent contain saponin, which works as a natural surfactant( make foam).
Surfactants reduce the surface tension of the water, essentially making it wetter and easier to penetrate soiled surfaces.
This event, combined with the agitation of your machine or hand washing removes the dirt or particles, then keeps them away from your clothing until rinsing occurs.