Oil reference

Cupuacu Butter in Soap

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

Cupuacu Butter has a saponification (SAP) value of 0.137 for NaOH (bar soap) and 0.192 for KOH (liquid soap). It's typically used at 3-15% of the oils.

How much lye for Cupuacu Butter?

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

Cupuacu ButterNaOH (0% SF)NaOH (5% SF)KOH (0% SF)
100 g13.7 g13 g19.2 g
250 g34.3 g32.5 g48 g
500 g68.5 g65.1 g96 g

What Cupuacu Butter does in soap

PropertyValue
Hardness40
Cleansing0
Conditioning44
Bubbly lather0
Creamy lather40
Longevity40

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%
palmitic7%
stearic33%
oleic44%

Build a recipe with Cupuacu Butter 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.