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Put the soda ash into another bowl and mix until dissolved.
Combine the major ingredients with the SULPHONIC Acid and whisk for 30 seconds.
After 20 seconds of stirring, add the soda ash that has dissolved.
I don't often use caustic soda, but if you do, dissolve it separately and add it to the liquid while stirring.
Now dissolve the stpp and add it to the main mixture while stirring for approximately 30 seconds.
Foam boost, if desired, should be added next.
After 20 seconds of stirring, add the perfume of your choice, and then dissolve the color of your choice and add it to the mixture. Stir until well combined.
Though I don't use it myself, you may add preservatives like citric acid to your liquid soap recipe if you want it to live longer in your hand.
Now that the pleasant aroma is dispersing, it's time to use your liquid soap; all you have to do is wait for the foam to settle before you're done 👍.
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