soapformulator
EN
Transparent soaps

Cold-made transparent soap IV

Open in the calculator

The oils

Oil As the source prints it Share
Edible Tallow (beef/mutton dripping) Tallow · 100 lb 35.7 %
Coconut Oil Cochin Cocoanut Oil · 100 lb 35.7 %
Castor Oil 60 lb 21.4 %
Rosin Rosin, W. W. · 20 lb 7.1 %

Everything else

  • Glycerine — 20 lb
  • Sugar — 40 lb
  • Water — 50 lb
  • Alcohol — 8 US gal

How it is made

Process Cold process
Alkali Soda Lye, 36 degs. B. · 164 lb · 36° Bé
Superfat Not stated
Water as the source states it
Iodine value 41
INS 174

What the numbers say

Hardness 48 29–54
Cleansing 26 above 12–22
Conditioning 40 below 44–69
Bubbly lather 45 14–46
Creamy lather 41 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.

The source

E. G. Thomssen, Soap-Making Manual: A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant, D. Van Nostrand Company, 1922, p.87. Soap-Making Manual: A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant · read 2026-09-22

All recipes