How to make liquid Castile Soap

Liquid Castile Soap Recipe #Castile #CastileSoapRecipe #GreenCleaning #SaveMoneyatHome #DrBronners #twelveOeightblog

I am far, far from being being completely green in our home yet.

Making some changes as far as how I purchase the things we need, and in what quantities to avoid
extra packaging has helped.  I implemented a better recycling routine recently and am seeing a huge
difference already in how much garbage we have once the recycling is all removed.

That is shocking actually!

I am phasing out many of the cleaners and detergents we have used for a long time.

We all have allergies and sensitive skin, and so much of what is in the giant jugs of detergent and
soap is mostly fragrance and water anyways.

One thing I fell in love with a few years ago was Dr. Bronners Pure Castile Soap, but found myself
going through it quickly, and those little bottles were pretty spendy.
I saw this recipe recently on making your own liquid castile soap and I was excited to see that it
only had two ingredients and it only took a few minutes to make.

All natural & plant based ingredients that are safe enough for your family, pets, home and everyday
use.  That’s really how it should be anyway don’t you think?

I kind of think that our generations were convinced that a detergent had to create a lot of suds, and
also have a strong “clean” smell in order to work.
Not the case, but it has been good marketing for many years.  All natural products have gained
in popularity and are so much easier to find now.

But you might get a bit of sticker shock initially, and recipes like this one can help you find good
ways to clean your home and still save some dough.

Here is what I used to make my liquid Castile Soap:


  • Clean Quart sized Mason jars, rings and lids
  • Water
  • Cheese grater
  • Large microwave safe or bowl
  • Castile Soap in bar form (I used Kirk’s, available at my local grocery store)

How to make castile soap twelveOeightblog #castilesoap #homemadesoap #howtomakeliquidsoap #DrBronners #twelveOeightblog


Begin by using 4 cups of boiling water to every bar of soap you are grating.
Each quart sized mason jar will hold 4 cups of this mixture.

After the water has come to a boil, add grated soap and stir well until it’s just
about dissolved.  Let it sit and cool for about 1 hour. I like to use a large
glass Pyrex measuring cup (mixing bowl size) since it has a pour spout and
is microwave safe. 

Stir again, by now your soap should be completely melted and you can pour
it into your mason jars and add the lids.  I’ve noticed the liquid will separate
a bit after a few days, just give it a shake and add to your spray bottle for
concentrated high quality soap for cleaning, or a bucket for mopping etc…

It smells like clean laundry that you just brought inside, and it is one way
to save a few bucks on cleaning supplies. 

And remove some chemicals from your home while you are at it.

I hope you enjoy your liquid Castile soap as much as we do, I am always finding
new ways to use it!

Liquid Castile Soap Recipe #Castile #CastileSoapRecipe #GreenCleaning #SaveMoneyatHome #DrBronners #twelveOeightblog

Thank you so much for reading friend, wishing you a blessed & creative day- Also a perfect gift for your wedding.

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  1. I wonder if you could use a foaming hand soap dispenser- like the ones sold by Pampered Chef? Would that make this soap a little more foamy?

    • Tracy,

      It’s funny you asked that because since I made it, I ran out of foaming hand soap in our bathroom. This works very well in the foaming soap dispenser too!

      xoxo, Tanya

  2. mirthe blake says:

    Hi how much do your soap bars weigh?
    Im in au and tried to make this but I think I did it wrong. I did 100 gr of soap in 1 liter of water. Thats not right is it? Can I fix this or throw it away? Thanks

    • Mirthe,

      I will have to check and see how much they weigh, but there really is no right or wrong, just how concentrated the soap probably is. Once you make it a couple times you will know what ratios you like best.

      Thank you for visiting!!

      xoxo, Tanya

  3. Sharon in England says:

    I tried this and found that once the mixture cooled it turned into gloopy soft clumpy goo (hard to describe but not the look in your pic). What did I do wrong?

    • Elena Rowe says:

      The same this g happened to me. I think this recipe uses smaller bars. The Dr. Bronner bars I buy are 5.0/5.5 oz bars so I grate half of it and add it to 32 oz of hot water in the mason jar. I then stir it maybe about aa minute to dissolve. Let cool for about an hour and cap. Then you are good to go.

  4. Lynette Swanepoel says:

    Hi There can i use liquid castille saop instead of the bar soap?

    • Hi Lynette!

      That is a great question, since I was trying to make my own liquid from bars to clean my home and laundry, I am sure a liquid would save you time in the process and still work great. Part of the process is trying for sure so a small batch to see if you like it would be fun to experiment with!

      xo, Tanya

  5. Fyi bronners contains…Potassium Hydroxide.
    Potassium Hydroxide is a caustic inorganic base. So bronners claiming to be organic is a lie…

    • Potassium hydroxide is more commonly known as lye. Lye and oil are used to make soap, whether it is bar soap or liquid soap. The lye is neutralized by the acid in the oil during saponification. The bar soap used to make this liquid Castile was made with lye. While lye is caustic and nonorganic, none of it is left in the final product.

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