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Olive Oil for Soap Making

Olive Oil is a liquid liquid oil dominated by oleic (69%), palmitic (14%), linoleic (12%). Dominated by unsaturated fatty acids, it produces a gentle, skin-loving bar. Bars high in it need extra cure time or a hard oil alongside for firmness.

Quick Facts

SAP (NaOH)
0.136
SAP (KOH)
0.190
Iodine
85
INS
105
Type
Liquid oil
Role
Conditioning base
Saturated
17%
Unsaturated
82%

How Much Lye for Olive Oil?

With a SAP value of 0.136, fully saponifying olive oil takes 0.136 grams of sodium hydroxide per gram of oil (at 0% superfat):

Oil amountNaOH (0% superfat)KOH (liquid soap)
100 g13.6 g19 g
500 g68 g95 g
1000 g136 g190 g

Real recipes use a superfat discount (typically 5%) and almost always blend several oils. Always run your full recipe through the Soaply lye calculator rather than weighing lye from a single-oil table.

Predicted Bar Properties

Derived from the fatty acid profile, for a bar made of 100% olive oil:

Hardness
17
Cleansing
0
Conditioning
82
Bubbly lather
0
Creamy lather
17

Fatty Acid Profile

Fatty acidPercentage
Palmitic14%
Stearic3%
Oleic69%
Linoleic12%
Linolenic1%

Substitutes for Olive Oil

The closest matches by fatty acid profile, which is what actually determines how an oil behaves in soap. Swap by weight and re-run the lye calculation, since SAP values differ:

Build a recipe with Olive Oil

The free Soaply calculator handles the lye math, water, superfat, and property predictions for any blend of 100 oils.

Open the lye calculator

More Liquid Oils

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