DIY Liquid Dish Soap

The time has come to replace the dish soap, but why not consider a cheaper and effective DIY alternative? This recipe is for liquid dish soap from the awesome blog, Frugally Sustainable, that can be used to clean dishes with any dish scrubbing brush or sponge, but it is not for use in the dishwasher — sorry!


  • 1 ½ Cup of hot water
  • ½ Cup liquid castile soap
  • 1 Tbsp. of white vinegar
  • 1 Tbsp. of Arm&Hammer’s Super Washing Soda (used to thicken the soap)
  • 1/8 Tsp. of tea tree oil (optional)
  • 1 Tbsp. shredded bar soap (optional to thicken the soap)

1. Combine all the ingredients into a large bowl and then pour in 1 1/2 cup of very hot water. Be sure to whisk/stir this mixture until all ingredients are thoroughly blended (and the bar soap is melted).
2. Allow the mixture to cool completely on the counter, stirring occasionally.
3. Store in your old dish soap bottle and enjoy your DIY soap like any other commercial brand.

How did this recipe work out for you?


  1. How did this recipe turn out for you? I’m just getting into green cleaning, so I’m looking for all sorts of recipes still. 🙂

    • So this dish soap is thinner than conventional dish soap – makes it trickier to use in a soap dispensing brush (you have to keep it upright). But it lathers up really well, and a little goes a long way. Plus you can change up the essential oils to get a scent you really like. Using Castile soap makes sense if you are doing other DIY cleaners, or making you own beauty products as well. This way you are minimizing the number of ingredients you have to purchase. Dr. Bronner’s works great as a body wash, shampoo, shaving lather, and even toothpaste replacement!


  1. […] Fill up your sink with hot soapy water. For a DIY soap recipe click here. […]

  2. […] DIY Liquid Dish Soap – A simple recipe for homemade dish soap. […]

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