Recipe lab

Saponis

Head-to-head

Rice Bran Oil vs Palm Oil (RSPO)

soft
hard

Substitution factor

NaOH SAP A 0.1340NaOH SAP B 0.1420A / B = 0.1340 / 0.1420

0.9437

Multiply your lye amount by 0.9437 when swapping Rice Bran Oil for Palm Oil (RSPO).

Inverse 1.0597 when swapping Palm Oil (RSPO) for Rice Bran Oil.

500 g swap · pure NaOH

500 g Rice Bran Oil
67.00 g NaOH
500 g Palm Oil (RSPO)
71.00 g NaOH
Lye_A = Lye_B × factor
71.00 × 0.9437 = 67.00
Reverse pair

Constants

SAP, iodine, INS

MetricRice Bran OilPalm Oil (RSPO)Δ A−B
NaOH SAP (pure)

0.1340

0.1420

-0.0080
KOH SAP (pure)

0.1870

0.1990

-0.0120
KOH SAP (90%)

0.2078

0.2211

-0.0133
Iodine value

100

53

+47
INS

87

145

-58
Max % of oils

20%

50%

-30
Hardness class

soft

hard

—
Trace

slows

neutral

—
INCI (pre-sap)

Oryza Sativa (Rice) Bran Oil

Elaeis Guineensis (Palm) Oil

—
INCI NaOH salt

Sodium Rice Branate

Sodium Palmate

—
INCI KOH salt

Potassium Rice Branate

Potassium Palmate

—

Fatty acids

Eight-acid profile

MetricRice Bran OilPalm Oil (RSPO)Δ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

1.0%

1.0%

0.0
Palmitic C16:0

21.0%

44.0%

-23.0
Stearic C18:0

2.0%

5.0%

-3.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

39.0%

+3.0
Linoleic C18:2

31.0%

10.0%

+21.0
Linolenic C18:3

1.0%

0.0%

+1.0

Quality

Physical contribution

MetricRice Bran OilPalm Oil (RSPO)Δ A−B
Hardness

24.0

50.0

-26.0
Cleansing

1.0

1.0

0.0
Conditioning

74.0

49.0

+25.0
Bubbly lather

1.0

1.0

0.0
Creamy lather

23.0

49.0

-26.0
Longevity

23.0

49.0

-26.0