The oils
| Oil | Share |
|---|---|
| Coconut Oil | 80.0 % |
| Shea Butter | 10.0 % |
| Castor Oil | 5.0 % |
| Olive Oil (virgin / refined / olive oil) | 5.0 % |
How it is made
| Process | Cold process |
| Alkali | NaOH |
| Superfat | 17 % |
| Water | lye water at 33 % |
| Iodine value | 21 |
| INS | 221 |
What the numbers say
Hardness 69 above 29–54
Cleansing 54 above 12–22
Conditioning 22 below 44–69
Bubbly lather 59 above 14–46
Creamy lather 19 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
8 variationsThe same soap with one thing moved. Each opens in the calculator ready to change again.
- 15 % superfat
- 20 % superfat
- Babassu Oil instead of Coconut Oil
- Palm Kernel Oil instead of Coconut Oil
- 15 % superfat and Babassu Oil instead of Coconut Oil
- 15 % superfat and Palm Kernel Oil instead of Coconut Oil
- 20 % superfat and Babassu Oil instead of Coconut Oil
- 20 % superfat and Palm Kernel Oil instead of Coconut Oil
Where these proportions come from
The superfat is not optional here. At 5 % this is a laundry bar.
Craft convention: 70–100 % coconut with a superfat of 15–20 %, because salt suppresses lather and the high superfat is what keeps the bar from stripping.
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.