Head-to-head

Rice Bran Oil vs Shea Butter (Unrefined)

soft
hard

Substitution factor

NaOH SAP A 0.1340NaOH SAP B 0.1280A / B = 0.1340 / 0.1280

1.0469

Multiply your lye amount by 1.0469 when swapping Rice Bran Oil for Shea Butter (Unrefined).

Inverse 0.9552 when swapping Shea Butter (Unrefined) for Rice Bran Oil.

500 g swap · pure NaOH

500 g Rice Bran Oil
67.00 g NaOH
500 g Shea Butter (Unrefined)
64.00 g NaOH
Lye_A = Lye_B × factor
64.00 × 1.0469 = 67.00
Reverse pair

Constants

SAP, iodine, INS

MetricRice Bran OilShea Butter (Unrefined)Δ A−B
NaOH SAP (pure)

0.1340

0.1280

+0.0060
KOH SAP (pure)

0.1870

0.1790

+0.0080
KOH SAP (90%)

0.2078

0.1989

+0.0089
Iodine value

100

60

+40
INS

87

116

-29
Max % of oils

20%

15%

+5
Hardness class

soft

hard

—
Trace

slows

slows

—
INCI (pre-sap)

Oryza Sativa (Rice) Bran Oil

Butyrospermum Parkii (Shea) Butter

—
INCI NaOH salt

Sodium Rice Branate

Sodium Shea Butterate

—
INCI KOH salt

Potassium Rice Branate

Potassium Shea Butterate

—

Fatty acids

Eight-acid profile

MetricRice Bran OilShea Butter (Unrefined)Δ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

1.0%

0.0%

+1.0
Palmitic C16:0

21.0%

5.0%

+16.0
Stearic C18:0

2.0%

40.0%

-38.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

48.0%

-6.0
Linoleic C18:2

31.0%

6.0%

+25.0
Linolenic C18:3

1.0%

0.0%

+1.0

Quality

Physical contribution

MetricRice Bran OilShea Butter (Unrefined)Δ A−B
Hardness

24.0

45.0

-21.0
Cleansing

1.0

0.0

+1.0
Conditioning

74.0

54.0

+20.0
Bubbly lather

1.0

0.0

+1.0
Creamy lather

23.0

45.0

-22.0
Longevity

23.0

45.0

-22.0