Soap Qualities
Hardness
0
Conditioning
97
Bubbly
90
Creamy
90
These numbers show what this oil tends to contribute when blended into a full recipe. They are most useful when compared with other oils, not used alone as pass/fail values.
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Castor Oil in Soap Making
Boosts lather with a creamy, stable foam. Very high ricinoleic acid. Review SAP, usage guidance, fatty acids, and related oils before you finalize the recipe in the calculator.
Category
Specialty Oils
How makers usually group this ingredient.
NaOH SAP
0.128
Used to calculate lye amount.
Typical Use
Commonly 3-10%
Treat this as a starting range, not a hard rule.
NaOH SAP
0.128
INS
95
Iodine
86
Typical usage
Commonly 3-10%
Fatty Acid Profile
lauric
0%
myristic
0%
palmitic
0%
stearic
0%
ricinoleic
90%
oleic
3.5%
linoleic
3.5%
linolenic
0%
Related Oils
Apricot Kernel Oil
Commonly 5-20%
View profileCanola Oil
Commonly 5-20%
View profileSafflower Oil (High Oleic)
Commonly 5-25%
View profileSunflower Oil (High Oleic)
Commonly 5-30%
View profileNext Steps
Move to the next tool in the workflow or jump back to the calculator when you are ready to finalize the batch.
Soap Calculator
Build the full recipe, check lye and water totals, then save or share the batch.
Beginner Guide
Review the core soap workflow, terminology, and safety notes in plain language.
Mold Calculator
Estimate oil weight from loaf, cavity, or water-fill molds before you formulate.
Fragrance Calculator
Set fragrance or essential oil rates from total oil weight and push them back to the recipe.