Recipe lab

Saponis

Head-to-head

Coconut Oil (76 deg) vs Lard

hard
hard

Substitution factor

NaOH SAP A 0.1830NaOH SAP B 0.1390A / B = 0.1830 / 0.1390

1.3165

Multiply your lye amount by 1.3165 when swapping Coconut Oil (76 deg) for Lard.

Inverse 0.7596 when swapping Lard for Coconut Oil (76 deg).

500 g swap · pure NaOH

500 g Coconut Oil (76 deg)
91.50 g NaOH
500 g Lard
69.50 g NaOH
Lye_A = Lye_B × factor
69.50 × 1.3165 = 91.50
Reverse pair

Constants

SAP, iodine, INS

MetricCoconut Oil (76 deg)LardΔ A−B
NaOH SAP (pure)

0.1830

0.1390

+0.0440
KOH SAP (pure)

0.2570

0.1950

+0.0620
KOH SAP (90%)

0.2856

0.2167

+0.0689
Iodine value

10

57

-47
INS

258

139

+119
Max % of oils

30%

50%

-20
Hardness class

hard

hard

—
Trace

accelerates

slows

—
INCI (pre-sap)

Cocos Nucifera (Coconut) Oil

Adeps Suillus (Lard)

—
INCI NaOH salt

Sodium Cocoate

Sodium Lardate

—
INCI KOH salt

Potassium Cocoate

Potassium Lardate

—

Fatty acids

Eight-acid profile

MetricCoconut Oil (76 deg)LardΔ A−B
Lauric C12:0

48.0%

0.0%

+48.0
Myristic C14:0

19.0%

1.0%

+18.0
Palmitic C16:0

9.0%

26.0%

-17.0
Stearic C18:0

3.0%

14.0%

-11.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

8.0%

44.0%

-36.0
Linoleic C18:2

2.0%

10.0%

-8.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricCoconut Oil (76 deg)LardΔ A−B
Hardness

79.0

41.0

+38.0
Cleansing

67.0

1.0

+66.0
Conditioning

10.0

55.0

-45.0
Bubbly lather

67.0

1.0

+66.0
Creamy lather

12.0

40.0

-28.0
Longevity

12.0

40.0

-28.0