soapformulator
EN
Scrub bars

Gardener’s bar

Open in the calculator

The oils

Oil Share
Coconut Oil 35.0 %
Olive Oil (virgin / refined / olive oil) 35.0 %
Edible Tallow (beef/mutton dripping) 25.0 %
Castor Oil 5.0 %

How it is made

Process Cold process
Alkali NaOH
Superfat 4 %
Water lye water at 35 %
Iodine value 48
INS 166

What the numbers say

Hardness 47 29–54
Cleansing 25 above 12–22
Conditioning 47 44–69
Bubbly lather 29 14–46
Creamy lather 26 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

Our own construction: enough lauric to shift soil, firm enough to hold a coarse abrasive.

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.

All recipes