Recipe lab

Saponis

Head-to-head

Rice Bran Oil vs Coconut Oil (76 deg)

soft
hard

Substitution factor

NaOH SAP A 0.1340NaOH SAP B 0.1830A / B = 0.1340 / 0.1830

0.7322

Multiply your lye amount by 0.7322 when swapping Rice Bran Oil for Coconut Oil (76 deg).

Inverse 1.3657 when swapping Coconut Oil (76 deg) for Rice Bran Oil.

500 g swap · pure NaOH

500 g Rice Bran Oil
67.00 g NaOH
500 g Coconut Oil (76 deg)
91.50 g NaOH
Lye_A = Lye_B × factor
91.50 × 0.7322 = 67.00
Reverse pair

Constants

SAP, iodine, INS

MetricRice Bran OilCoconut Oil (76 deg)Δ A−B
NaOH SAP (pure)

0.1340

0.1830

-0.0490
KOH SAP (pure)

0.1870

0.2570

-0.0700
KOH SAP (90%)

0.2078

0.2856

-0.0778
Iodine value

100

10

+90
INS

87

258

-171
Max % of oils

20%

30%

-10
Hardness class

soft

hard

—
Trace

slows

accelerates

—
INCI (pre-sap)

Oryza Sativa (Rice) Bran Oil

Cocos Nucifera (Coconut) Oil

—
INCI NaOH salt

Sodium Rice Branate

Sodium Cocoate

—
INCI KOH salt

Potassium Rice Branate

Potassium Cocoate

—

Fatty acids

Eight-acid profile

MetricRice Bran OilCoconut Oil (76 deg)Δ A−B
Lauric C12:0

0.0%

48.0%

-48.0
Myristic C14:0

1.0%

19.0%

-18.0
Palmitic C16:0

21.0%

9.0%

+12.0
Stearic C18:0

2.0%

3.0%

-1.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

8.0%

+34.0
Linoleic C18:2

31.0%

2.0%

+29.0
Linolenic C18:3

1.0%

0.0%

+1.0

Quality

Physical contribution

MetricRice Bran OilCoconut Oil (76 deg)Δ A−B
Hardness

24.0

79.0

-55.0
Cleansing

1.0

67.0

-66.0
Conditioning

74.0

10.0

+64.0
Bubbly lather

1.0

67.0

-66.0
Creamy lather

23.0

12.0

+11.0
Longevity

23.0

12.0

+11.0