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Scrub bars

Scrub bar base

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The oils

Oil Share
Olive Oil (virgin / refined / olive oil) 40.0 %
Coconut Oil 25.0 %
Palm Oil 25.0 %
Castor Oil 10.0 %

How it is made

Process Cold process
Alkali NaOH
Superfat 6 %
Water lye water at 35 %
Iodine value 58
INS 150

What the numbers say

Hardness 39 29–54
Cleansing 17 12–22
Conditioning 57 44–69
Bubbly lather 26 14–46
Creamy lather 31 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

27 variations

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

Where these proportions come from

Our own construction: a firm base, because the abrasive goes in at trace and softens the bar. The abrasive itself is an additive, not an oil.

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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