Hemp Seed Oil has a saponification (SAP) value of 0.1376 for NaOH (bar soap) and 0.193 for KOH (liquid soap). It's typically used at 3-15% of the oils.
How much lye for Hemp Seed Oil?
Lye at 0% superfat = oil weight × SAP. Apply your superfat to reduce it (e.g. ×0.95 for 5%).
| Hemp Seed Oil | NaOH (0% SF) | NaOH (5% SF) | KOH (0% SF) |
|---|---|---|---|
| 100 g | 13.8 g | 13.1 g | 19.3 g |
| 250 g | 34.4 g | 32.7 g | 48.3 g |
| 500 g | 68.8 g | 65.4 g | 96.5 g |
What Hemp Seed Oil does in soap
| Property | Value |
|---|---|
| Hardness | 8 |
| Cleansing | 0 |
| Conditioning | 88 |
| Bubbly lather | 0 |
| Creamy lather | 8 |
| Longevity | 8 |
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 | % |
|---|---|
| palmitic | 6% |
| stearic | 2% |
| oleic | 12% |
| linoleic | 57% |
| linolenic | 19% |
Build a recipe with Hemp Seed Oil 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.