Oil reference

Corn Oil in Soap

SAP value, how much lye it needs, its fatty-acid profile, and what it brings to a bar.

Corn Oil has a saponification (SAP) value of 0.1369 for NaOH (bar soap) and 0.192 for KOH (liquid soap). It's typically used at 3-20% of the oils.

How much lye for Corn Oil?

Lye at 0% superfat = oil weight × SAP. Apply your superfat to reduce it (e.g. ×0.95 for 5%).

Corn OilNaOH (0% SF)NaOH (5% SF)KOH (0% SF)
100 g13.7 g13 g19.2 g
250 g34.2 g32.5 g48 g
500 g68.5 g65 g96 g

What Corn Oil does in soap

PropertyValue
Hardness13
Cleansing0
Conditioning87
Bubbly lather0
Creamy lather13
Longevity13

Values are the oil's solo contribution (SoapCalc-style property model). Real bars blend several oils — build the full recipe to see the combined profile.

Fatty-acid profile

Fatty acid%
palmitic11%
stearic2%
oleic28%
linoleic58%
linolenic1%

Build a recipe with Corn Oil in SoapCalc — it computes the exact lye for your oils at any superfat and saves the recipe. See all soap-making oils or the SAP value chart.