Super fat

lauriefiesel

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It seems to me that the more lye (less super fat) in a recipe, the more suds in the bar. If true, is it possible to reflect that in the properties listed in the recipe (Bubbly)?
Thank you so much1
 

Yooper

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That’s not true, though. You can have 100% olive oil, 0 superfat, and no suds.

Bubbly lather comes from coconut oil, castor oil (up to 5% in a batch), and some other oils, but the amount of superfat isn’t part of it as a rule.

For example, I LOVE spa bars. They are salt bars, 100% coconut oil (or 95% coconut oil and 5% castor oil), 50% fine sea salt by weight of oils, and superfatted at 25%. Bubbly rich lather than is creamy and fabulous. But coconut oil is well known for bubbly lather.

Now, sometimes too much SF may indeed inhibit lather, but it’s not really a part of the calculation as that is not true in many (or even most) cases.
 
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