How To Make Liquid Soap For Washing Dishes

Playing with chemicals is always fun. Buying and using liquid soap isn’t as interesting as making your own and using it.

Don’t believe us?

It is in fact much easier to make liquid soap than you think. You can add your favorite fragrance to it and relish the experience of DIY,  whenever you use it.

Here are the three experimental methods to make your very own Liquid Soap. These experiments can be carried out with the products and equipment, easily available in stores and the kitchen. So let’s not wait anymore – Backyard Science Beckons! 

Also ReadHow To Save Water While Washing Dishes

How to make liquid soap for washing dishes?

Make Liquid Soap DIY

Now, there are three methods to make liquid soap. Let us first discuss the first process. 

Method 1:

Ingredients Needed: 9 grams of soap flakes, 470 ml of water, 1 or 2 tablespoons of distilled vinegar.


  1. Take a medium-sized saucepan, then pour water and 9 grams of soap flakes into the same. After this, mix it well. This way, the soap flakes will get mixed with water. You can also use soap shavings instead of soap flakes.
  2. After the soap flakes mix with water, place the pan on the stove. Adjust your stove flame to medium heat mode. This process is to melt all soap flakes used in step one. Wait for 10-15 minutes. Check whether all soap flakes have been melted or not; if yes, turn off the stove. If not, wait for some more minutes and then turn off the stove. Keep in mind to keep your hands away from the flames, so conjured. 
  3. After taking off the pan from the stove, allow the solution to cool down. It takes about 10-15 minutes after which, add distilled vinegar to the solution, of mentioned quantity – (2 Tablespoons). Now stir it well until the vinegar gets fully mixed with the solution.

Things to Remember: The quantity of distilled vinegar should be about 2 Tablespoons. If you strictly follow this measurement of all ingredients, results may be good.

Moreover, your quantity of distilled vinegar should be equal to the solution because the quantity of the distilled vinegar depends on how loosely based the solution is.

  1. One last step you need to do is allow the final mixture to cool down. This too takes 10-15 minutes. After this, you can transfer the soap solution into the pump bottle or the soap dispenser through the funnel.

Now, your liquid soap is all prepped up to use.

Method 2:

Ingredients needed:353 ml(i.e one and a half cups) of water, 9ml (i.e. quarter half of the cup)of grated Castile bar soap, 60  ml of liquid Castile soap, 2-1 Tablespoon of washing soda, 1.5 g of glycerine, few drops(20-40 drops) of essential oil.


  1. Take a medium saucepan and pour 353 ml of water and 9ml of grated Castile bar Soap. Place it on the stove. Maintain the flame to medium-high. Wait for 5-10 minutes. During this process, for the first two minutes, mix the solution on the pan externally by the spoon. Take off the pan from the stove once the soap in the pan gets completely dissolved with water.
  2. After this step; add 60 ml of liquid Castile soap, 10 grams of washing soda, and half a teaspoon of glycerine to the solution. Stir up all the ingredients until they attain the well-mixed stage.
  3. Make the soap mixture stay in the pan for 24 hours. During this process, don’t let the mixture simply stay in the pan. Stir it up periodically so that the consistency will be good. After 24 hours, The solution will remain thick. If it remains thin, you can go ahead and add 3 grams of washing soda. Still, if it remains thin, add 2 grams of washing soda. Until reaching the right consistency, keep adding washing soda.
  4. After reaching the expected Consistency of the mixture, add twenty to forty drops of essential oil to the mixture and stir it well until the oil is blended with the solution. After this, transform this solution into a soap dispenser.

Now, you may like why we are adding essential oils to the mixture? The reason is it adds more color to the solution by the fragrance. you can use essential oils like citrus oils, juniper, and lavender.

Method 3:

Ingredients Required:200ml(two and half of the cup)of water, 2 grams of borax, 14 grams of Washing soda, 30 ml of white distilled vinegar, 120ml of liquid castile soap.


  1. First, take a large-sized bowl. Add 2 grams of borax, 14 grams of washing soda, 30 ml of white distilled vinegar, and 120 ml of liquid Castile soap in the bowl. Altogether, Mix it well until all the ingredients get blended.
  2. Then place the empty medium-sized pan on the stove, add 200 ml of water to it. and heat it until the water boils. This takes 5-10 minutes.
  3. Then remove the pan from the stove, and add the borax mixture to it and stir it up well with water. If you need to have some fragrance over your soap solution, you can go for adding essential oils to it. and mix it up well.
  4. Leave the soap mixture to cool down and wait for 20-30 minutes. After this, transfer the soap mixture to the soap dispenser. No, the liquid soap is ready to use.


“Have fun”, Who doesn’t like to have fun with chemicals and doing experiments? These three backyard science experiments will ultimately be a fun way to spend time and give you exceptional results.

You can try all three methods and select the best from one of them, based on your needs and level of efficiency. Making liquid soap thus can be deemed as a recreational activity that you can even try out with your kids.

It has minimal chance of proving to be dangerous. Keep in mind that one should keep away from flames while heating up the solution and smaller kids should be specially taken care of – if they are attending this experiment for they are prone to ingesting the items used in these experiments.

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