Homemade Washing Powder | How To Make Washing Powder- eco friendly washing powder india ,Sep 28, 2019·How to Make Eco-Friendly Washing Powder. Finely grate the bar of soap and put the flakes into a bowl; Add all the other ingredients! (Just give it a good mix if it gets a bit clumpy) Use an airtight container for storage. There you have it, 5 ingredients and a very simple method for homemade washing powder!Homemade Washing Powder | How To Make Washing PowderSep 28, 2019·How to Make Eco-Friendly Washing Powder. Finely grate the bar of soap and put the flakes into a bowl; Add all the other ingredients! (Just give it a good mix if it gets a bit clumpy) Use an airtight container for storage. There you have it, 5 ingredients and a very simple method for homemade washing powder!