how to make bar soap in nairobi
How to Make Liquid Soap From Bar Soap - The Spruce Crafts. Prep and Cook the Soap . Take a typical 4-ounce bar of soap and grate or finely chop it up by hand or food processor to make the soap flakes. For one bar of soap flakes, you'll need to boil a half gallon (64 fluid ounces or eight cups) of water.