Ecozone Soap Nuts are economical and effective, they save you money by replacing washing detergents. The 300g cotton bag will hold sufficient Soap Nuts for up to 100 washes, which is on average 5p per wash. Soap Nuts have been used for thousands of years as a natural washing detergent by people native to both Asia and the Americas.  Also known as Soap Berries the Soap Nuts grow on trees of the Sapindus Genus and are a source of Saponin, a natural surfactant, which cleans and freshens your clothes.  Soap Nuts are gentle on your clothes, colours stay brighter for longer, whilst effectively removing dirt.  Product advantages: Gentle cleansing properties of Soap Nuts help to maintain the appearance and coloured clothes for longer. Economical, the 300g bag contains sufficient Soap Nuts for up to 100 washes. Suitable to use in all types of washing machines. Naturally sourced, non-toxic allergy free laundry detergent.