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Transparent soaps

Cold-made transparent soap I

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The oils

Oil As the source prints it Share
Edible Tallow (beef/mutton dripping) Bleached Tallow · 134 lb 53.8 %
Coconut Oil Cochin Cocoanut Oil · 88 lb 35.3 %
Castor Oil 20 lb 8.0 %
Rosin W. W. Rosin · 7 lb 2.8 %

Everything else

  • Cane Sugar — 64 lb
  • Water — 32 lb
  • Glycerine — 34 lb
  • Alcohol — 16 US gal

How it is made

Process Cold process
Alkali Soda Lye, 38 degs. B. · 135 lb · 38° Bé
Superfat Not stated
Water as the source states it
Iodine value 36
INS 181

What the numbers say

Hardness 56 above 29–54
Cleansing 26 above 12–22
Conditioning 34 below 44–69
Bubbly lather 33 14–46
Creamy lather 37 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.86. Soap-Making Manual: A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant · read 2026-09-22

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