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Grate bar soap with cheese grater.Jupiterimages/Photos.com/Getty Images
Grate bar of soap with cheese grater. Place grated soap in saucepan and add just enough water to cover. - 2
Melt grated soap in a saucepan.BananaStock/BananaStock/Getty Images
Cook grated soap on medium-low heat until melted, stirring frequently. - 3
Mix natural laundry soap in large pail.Jupiterimages/Photos.com/Getty Images
Pour 2 gallons hot water into pail. Add melted soap and stir until completely dissolved. - 4
Store homemade soap in empty detergent bottles.Jupiterimages/Comstock/Getty Images
Pour 1/2 cup borax into soap mixture and stir well. Let cool to room temperature and pour into empty laundry detergent bottles.
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