Ecozone Soap Nuts are economical and effective, they save you money by replacing washing detergents. The 300g organic cotton bag holds enough soap nuts for 100 washes which is an average of 5p per wash. Organic Allergy free laundry detergent Hypo-allergenic Totally biodegradable Works in all types of washing machines 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. How to use Soap nuts are easy to use.1. Put the required amount of soap nuts into the small bag provided and tie tightly.2. Place laundry in the machine with the soap nuts on top and run your normal program3. At the end of the wash remove the bag of soap nuts and allow to dry. These can be re used. For lightly soiled clothes use 3-5 nutsFor Heavily soiled clothes 4-6 nutsFor hard water areas you should use 7 nuts (100 washes) Ecozone Soap Nuts (100 washes) is part of the range of ­­Ecozone eco laundry products. Keep both your clothes and washing machine in tip-top condition with Ecozone laundry liquid in 1L and 2L bulk buy bottles to help reduce plastic waste, or explore the full range of Ecozone products, including household cleaning essentials and Ecozone speciality products, available from Big Green Smile.