With Souji you can turn your old cooking oil into soap. In just one minute you create a creamy detergent which also smells nice. In the first step you filter the oils that you want to use. In the second step you mix the filtered oil with Souji. In the final step you shake the mixture for 1 minute. The detergent can be used for cleaning your clothes and your house. It does not contain any harmful chemicals so this is a great way to transform waste into a useful product.
Soap from used cooking oil
