Neem Seed Oil
Saponification values, fatty acid makeup, and what this oil does in a bar of soap.
Saponification values
Grams of lye needed to saponify one gram of neem seed oil. Multiply by your oil weight, then apply your superfat.
- NaOH (bar soap)
- 0.138
- KOH (liquid soap)
- 0.193
- Iodine
- 72
- INS
- 121
INCI: Melia Azadirachta Seed Oil
Fatty acid profile
| Fatty acid | Percentage |
|---|---|
| Oleic | 46% |
| Palmitic | 21% |
| Stearic | 16% |
| Linoleic | 12% |
| Myristic | 2% |
Soap qualities at 100%
What a bar made entirely of neem seed oil would score. Almost nobody soaps a single oil at 100% — this is here so you can see what the oil contributes to a blend. The shaded band is the range most makers aim for in a finished recipe.
Oils that behave similarly
Closest matches by fatty acid makeup — the usual starting point when you have run out of neem seed oil and need a substitute. Check the lye maths again after swapping: SAP values differ even between oils that behave alike.
- Duck Fat, flesh and skinSAP 0.138 NaOH
- Lard, Pig TallowSAP 0.141 NaOH
- Emu OilSAP 0.135 NaOH
- Mowrah ButterSAP 0.138 NaOH
- Andiroba Oil,karaba,crabwoodSAP 0.134 NaOH