Oil A
Neem OilAzadirachta indica
NaOH 0.1387
Load 500 gHead-to-head
Neem Oil vs Shea Butter (Unrefined)
soft
hard
Oil B
Shea Butter (Unrefined)Vitellaria paradoxa
NaOH 0.1280
Load 500 gSubstitution factor
NaOH SAP A 0.1387NaOH SAP B 0.1280A / B = 0.1387 / 0.1280
1.0836
Multiply your lye amount by 1.0836 when swapping Neem Oil for Shea Butter (Unrefined).
Inverse 0.9229 when swapping Shea Butter (Unrefined) for Neem Oil.
500 g swap · pure NaOH
- 500 g Neem Oil
- 69.35 g NaOH
- 500 g Shea Butter (Unrefined)
- 64.00 g NaOH
- Lye_A = Lye_B × factor
- 64.00 × 1.0836 = 69.35
Constants
SAP, iodine, INS
| Metric | Neem Oil | Shea Butter (Unrefined) | Δ A−B |
|---|---|---|---|
| NaOH SAP (pure) | 0.1387 | 0.1280 | +0.0107 |
| KOH SAP (pure) | 0.1945 | 0.1790 | +0.0155 |
| KOH SAP (90%) | 0.2161 | 0.1989 | +0.0172 |
| Iodine value | 72 | 60 | +12 |
| INS | 123 | 116 | +7 |
| Max % of oils | 10% | 15% | -5 |
| Hardness class | soft | hard | — |
| Trace | accelerates | slows | — |
| INCI (pre-sap) | Azadirachta Indica (Neem) Seed Oil | Butyrospermum Parkii (Shea) Butter | — |
| INCI NaOH salt | Sodium Neemate | Sodium Shea Butterate | — |
| INCI KOH salt | Potassium Neemate | Potassium Shea Butterate | — |
Fatty acids
Eight-acid profile
| Metric | Neem Oil | Shea Butter (Unrefined) | Δ A−B |
|---|---|---|---|
| Lauric C12:0 | 0.0% | 0.0% | 0.0 |
| Myristic C14:0 | 0.0% | 0.0% | 0.0 |
| Palmitic C16:0 | 18.0% | 5.0% | +13.0 |
| Stearic C18:0 | 18.0% | 40.0% | -22.0 |
| Ricinoleic C18:1-OH | 0.0% | 0.0% | 0.0 |
| Oleic C18:1 | 52.0% | 48.0% | +4.0 |
| Linoleic C18:2 | 9.0% | 6.0% | +3.0 |
| Linolenic C18:3 | 0.0% | 0.0% | 0.0 |
Quality
Physical contribution
| Metric | Neem Oil | Shea Butter (Unrefined) | Δ A−B |
|---|---|---|---|
| Hardness | 36.0 | 45.0 | -9.0 |
| Cleansing | 0.0 | 0.0 | 0.0 |
| Conditioning | 61.0 | 54.0 | +7.0 |
| Bubbly lather | 0.0 | 0.0 | 0.0 |
| Creamy lather | 36.0 | 45.0 | -9.0 |
| Longevity | 36.0 | 45.0 | -9.0 |