Soap Nuts come from the Sapindus mukorossi, a tree grown in India. Soap nuts are not real nuts, they are non-edible fruits extracted from their shells, which are then dried. It is the shells that contain saponins - substances that act as a mild and natural detergent with cleaning propertie.
Saponin is a natural non-ionic surfactant, which when dissolved in water acts as a mild and natural detergent with cleaning properties. Soap Nuts are hypoallergenic and have been used as a detergent for centuries.
Soap nuts are entirely vegetable in nature. They will preserve the sheen and colour of washed clothing, in addition to being safe for all types of fibers. Their antibacterial properties are useful in municipal waste water as well as in septic tanks.
*Soap nuts are biodegradable 28 days as per OECD test 301D, reusable, multi-purpose and come from a renewable source.