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Traditional

Kitchen tallow bar

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The oils

Oil Share
Edible Tallow (beef/mutton dripping) 75.0 %
Coconut Oil 25.0 %

How it is made

Process Cold process
Alkali NaOH
Superfat 5 %
Water 38 % of the oils
Iodine value 37
INS 174

What the numbers say

Hardness 59 above 29–54
Cleansing 20 12–22
Conditioning 34 below 44–69
Bubbly lather 20 14–46
Creamy lather 39 16–48

Computed from the fatty acids of the fats above. The bands are what the craft has settled on, not chemistry — a bar outside one is not wrong.

Try it differently

11 variations

The same soap with one thing moved. Each opens in the calculator ready to change again.

Where these proportions come from

The farmhouse standard before vegetable oils were cheap: rendered beef fat with enough coconut to lather.

A canonical formulation: the proportions the craft has settled on for this kind of soap. Not transcribed from a document, and not copied from anywhere.

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