Head-to-head

Castor Oil vs Sweet Almond Oil

soft
soft

Substitution factor

NaOH SAP A 0.1280NaOH SAP B 0.1360A / B = 0.1280 / 0.1360

0.9412

Multiply your lye amount by 0.9412 when swapping Castor Oil for Sweet Almond Oil.

Inverse 1.0625 when swapping Sweet Almond Oil for Castor Oil.

500 g swap · pure NaOH

500 g Castor Oil
64.00 g NaOH
500 g Sweet Almond Oil
68.00 g NaOH
Lye_A = Lye_B × factor
68.00 × 0.9412 = 64.00
Reverse pair

Constants

SAP, iodine, INS

MetricCastor OilSweet Almond OilΔ A−B
NaOH SAP (pure)

0.1280

0.1360

-0.0080
KOH SAP (pure)

0.1800

0.1900

-0.0100
KOH SAP (90%)

0.2000

0.2111

-0.0111
Iodine value

86

99

-13
INS

95

97

-2
Max % of oils

10%

20%

-10
Hardness class

soft

soft

Trace

accelerates

slows

INCI (pre-sap)

Ricinus Communis (Castor) Seed Oil

Prunus Amygdalus Dulcis (Sweet Almond) Oil

INCI NaOH salt

Sodium Ricinoleate

Sodium Sweetalmondate

INCI KOH salt

Potassium Ricinoleate

Potassium Sweetalmondate

Fatty acids

Eight-acid profile

MetricCastor OilSweet Almond OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

0.0%

0.0%

0.0
Palmitic C16:0

1.0%

7.0%

-6.0
Stearic C18:0

1.0%

2.0%

-1.0
Ricinoleic C18:1-OH

90.0%

0.0%

+90.0
Oleic C18:1

4.0%

71.0%

-67.0
Linoleic C18:2

4.0%

18.0%

-14.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricCastor OilSweet Almond OilΔ A−B
Hardness

2.0

9.0

-7.0
Cleansing

0.0

0.0

0.0
Conditioning

98.0

90.0

+8.0
Bubbly lather

90.0

0.0

+90.0
Creamy lather

92.0

9.0

+83.0
Longevity

2.0

9.0

-7.0