The oils
| Oil | Share |
|---|---|
| Olive Oil (virgin / refined / olive oil) | 40.0 % |
| Coconut Oil | 25.0 % |
| Palm Oil | 20.0 % |
| Castor Oil | 15.0 % |
How it is made
| Process | Cold process |
| Alkali | NaOH |
| Superfat | 5 % |
| Water | 38 % of the oils |
| Iodine value | 59 |
| INS | 148 |
What the numbers say
Hardness 37 29–54
Cleansing 17 12–22
Conditioning 60 44–69
Bubbly lather 31 14–46
Creamy lather 33 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
20 variationsThe same soap with one thing moved. Each opens in the calculator ready to change again.
- Edible Tallow (beef/mutton dripping) instead of Palm Oil
- Lard (pure rendered pork fat) instead of Palm Oil
- Shea Butter instead of Palm Oil
- Kokum Butter instead of Palm Oil
- Cocoa Butter (Theobroma Oil) instead of Palm Oil
- Mango Butter instead of Palm Oil
- 4 % superfat
- 7 % superfat
- Edible Tallow (beef/mutton dripping) instead of Palm Oil and 4 % superfat
- Edible Tallow (beef/mutton dripping) instead of Palm Oil and 7 % superfat
- Lard (pure rendered pork fat) instead of Palm Oil and 4 % superfat
- Lard (pure rendered pork fat) instead of Palm Oil and 7 % superfat
- Shea Butter instead of Palm Oil and 4 % superfat
- Shea Butter instead of Palm Oil and 7 % superfat
- Kokum Butter instead of Palm Oil and 4 % superfat
- Kokum Butter instead of Palm Oil and 7 % superfat
- Cocoa Butter (Theobroma Oil) instead of Palm Oil and 4 % superfat
- Cocoa Butter (Theobroma Oil) instead of Palm Oil and 7 % superfat
- Mango Butter instead of Palm Oil and 4 % superfat
- Mango Butter instead of Palm Oil and 7 % superfat
Where these proportions come from
Above about 20 % castor a bar stays tacky no matter how long it cures.
Our own construction: castor at 15 %, near the top of the usual range, to show where a bar starts turning sticky.
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.