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Making Liquid Soap – Turn a Bar of Soap into Liquid Soap

Making liquid soap from a bar of soap is easy with this DIY project.

I have a thing about soaps.  Either I like expensive bar soap, or else, I like liquid soap. 

Plain old Dial or Irish Spring soaps just don’t cut it for me. For showers, I enjoy my expensive bar soaps but for normal hand washing,  I prefer using liquid soap because it is tidier on my bathroom sink counter. 

This great tutorial shows how to turn any ordinary bar soap into Liquid soap.Make your own liquid soap from an ordinary bar of soap.

Many homemade products do just as good a job as those the retail products that you buy in stores.  Things like disinfectant wipes and liquid soap can be made at home for a fraction of the price of store goods.

Making liquid soap is so easy. All it takes is melting the soap with water, adding a little vegetable glycerin, and in no time at all, you have liquid hand soap. 

To make liquid soap, you will first need a bar of normal soap. Then get out a food grater and grate away. You’ll need to end up with about 1 cup of soap flakes from your bar.

Next, combine the soap flakes in a large pot with 10 cups of water.   Add 1 tablespoon of vegetable glycerin to the water. Bring to a boil, then reduce the heat and cook it over a medium low heat for 1-2 minutes until the soap dissolves. 


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You can make the liquid soap without the glycerine, since normal bar soap contains this, but adding a bit extra will make your liquid soap more creamy and less likely to have clumps in it.  (affiliate link) Who wants clumps in a soap dispenser.

You can also add 1 tsp of essential oils at this time if you would like your soap to have a lovely scent. Lavender, Tea Tree, Eucalyptus, Lemongrass, Orange, and Peppermint all make great scented soaps. (affiliate link.)

Let the soap cool completely, then use a funnel to pour it into a fancy soap dispenser.  If the soap is too thick, use a hand blender to beat it until smooth.  (add a tiny bit of extra water to get the consistency that you like.)

Easy peasy and so much less expensive than normal liquid soap!

Note: each bar of soap varies as to how it will boil down. If your soap is too watery, add more soap flakes to the mixture. 

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Monday 12th of December 2022

I made this last night with a natural soap from the bulk barn. It is very watery can I somehow thicken it. This is the 2nd soap recipe I've used and both are like water although there is some lather to it.

Carol Speake

Monday 19th of December 2022

Each bar of soap varies as to how it will flake. To make the mixture less watery, use less water after grating the soap into flakes.


Friday 25th of March 2022

what is the best way to store the balance of the soap and will it stay in liquid form?

Carol Speake

Friday 25th of March 2022

Hi Kay, I stored my soap in tight jars with lids. It stayed liquid during the time I was using it.


Saturday 5th of February 2022

Could I use ivory bar soap?

Carol Speake

Sunday 6th of February 2022

I have not tried it specifically but think it would work.


Tuesday 25th of January 2022

Hello! Can I use this method to make liquid conditioner from conditioner bars and does it thicken as it's cools?

Carol Speake

Sunday 6th of February 2022

I have not tried this so I do not know if it will work.


Tuesday 16th of March 2021

I tried this but mine ended up watery and wasn’t thick enough to get a lather up. It wasn’t completely cool when I saw it very runny so wondered if it cools thicker or if I’ve got the ratios wrong? I don’t have a cup measurement (UK) so did a conversion which said this was 2.36ml so is this where I went wrong?

Carol Speake

Wednesday 17th of March 2021

I US cup is 236.588 milliliters.

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