Observed arrival · 2026-09-21
Soap Formulator Shows Its Work
A free soapmaking lye calculator that explains its calculations, cites its oil data, and supports NaOH, KOH, water, additives, and mold sizing.
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◎Niche
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- For
- Soap and skincare makers checking recipes
- Worth noticing
- The page says 120 ingredient records were transcribed from 63 primary publishers, with sources named on each row.
Field notes
The homepage presents a sample recipe with a 5% superfat, 33% lye solution, and calculated hardness, cleansing, conditioning, iodine, and INS figures. It says oil values remain published ranges rather than being reduced to one unattributed number, and that each result can expose the arithmetic behind it. Import and export are promised in open formats, while saved recipes and batch tracking are listed as future workbench features.
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○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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