Cold-process bench

Saponis

Head-to-head

Palm Oil (RSPO) vs Palm Kernel Oil

hard
hard

Substitution factor

NaOH SAP A 0.1420NaOH SAP B 0.1770A / B = 0.1420 / 0.1770

0.8023

Multiply your lye amount by 0.8023 when swapping Palm Oil (RSPO) for Palm Kernel Oil.

Inverse 1.2465 when swapping Palm Kernel Oil for Palm Oil (RSPO).

500 g swap · pure NaOH

500 g Palm Oil (RSPO)
71.00 g NaOH
500 g Palm Kernel Oil
88.50 g NaOH
Lye_A = Lye_B × factor
88.50 × 0.8023 = 71.00
Reverse pair

Constants

SAP, iodine, INS

MetricPalm Oil (RSPO)Palm Kernel OilΔ A−B
NaOH SAP (pure)

0.1420

0.1770

-0.0350
KOH SAP (pure)

0.1990

0.2470

-0.0480
KOH SAP (90%)

0.2211

0.2744

-0.0533
Iodine value

53

18

+35
INS

145

227

-82
Max % of oils

50%

30%

+20
Hardness class

hard

hard

—
Trace

neutral

accelerates

—
INCI (pre-sap)

Elaeis Guineensis (Palm) Oil

Elaeis Guineensis (Palm) Kernel Oil

—
INCI NaOH salt

Sodium Palmate

Sodium Palm Kernelate

—
INCI KOH salt

Potassium Palmate

Potassium Palm Kernelate

—

Fatty acids

Eight-acid profile

MetricPalm Oil (RSPO)Palm Kernel OilΔ A−B
Lauric C12:0

0.0%

49.0%

-49.0
Myristic C14:0

1.0%

16.0%

-15.0
Palmitic C16:0

44.0%

8.0%

+36.0
Stearic C18:0

5.0%

2.0%

+3.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

39.0%

15.0%

+24.0
Linoleic C18:2

10.0%

2.0%

+8.0
Linolenic C18:3

0.0%

0.0%

0.0

Quality

Physical contribution

MetricPalm Oil (RSPO)Palm Kernel OilΔ A−B
Hardness

50.0

75.0

-25.0
Cleansing

1.0

65.0

-64.0
Conditioning

49.0

17.0

+32.0
Bubbly lather

1.0

65.0

-64.0
Creamy lather

49.0

10.0

+39.0
Longevity

49.0

10.0

+39.0