Head-to-head

Kokum Butter vs Castor Oil

hard
soft

Substitution factor

NaOH SAP A 0.1370NaOH SAP B 0.1280A / B = 0.1370 / 0.1280

1.0703

Multiply your lye amount by 1.0703 when swapping Kokum Butter for Castor Oil.

Inverse 0.9343 when swapping Castor Oil for Kokum Butter.

500 g swap · pure NaOH

500 g Kokum Butter
68.50 g NaOH
500 g Castor Oil
64.00 g NaOH
Lye_A = Lye_B × factor
64.00 × 1.0703 = 68.50
Reverse pair

Constants

SAP, iodine, INS

MetricKokum ButterCastor OilΔ A−B
NaOH SAP (pure)

0.1370

0.1280

+0.0090
KOH SAP (pure)

0.1920

0.1800

+0.0120
KOH SAP (90%)

0.2133

0.2000

+0.0133
Iodine value

35

86

-51
INS

155

95

+60
Max % of oils

10%

10%

0
Hardness class

hard

soft

Trace

slows

accelerates

INCI (pre-sap)

Garcinia Indica Seed Butter

Ricinus Communis (Castor) Seed Oil

INCI NaOH salt

Sodium Kokum Butterate

Sodium Ricinoleate

INCI KOH salt

Potassium Kokum Butterate

Potassium Ricinoleate

Fatty acids

Eight-acid profile

MetricKokum ButterCastor OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

0.0%

0.0%

0.0
Palmitic C16:0

4.0%

1.0%

+3.0
Stearic C18:0

56.0%

1.0%

+55.0
Ricinoleic C18:1-OH

0.0%

90.0%

-90.0
Oleic C18:1

39.0%

4.0%

+35.0
Linoleic C18:2

1.0%

4.0%

-3.0
Linolenic C18:3

0.0%

0.0%

0.0

Quality

Physical contribution

MetricKokum ButterCastor OilΔ A−B
Hardness

60.0

2.0

+58.0
Cleansing

0.0

0.0

0.0
Conditioning

40.0

98.0

-58.0
Bubbly lather

0.0

90.0

-90.0
Creamy lather

60.0

92.0

-32.0
Longevity

60.0

2.0

+58.0