Cold-process bench

Saponis

Head-to-head

Beef Tallow vs Avocado Oil

hard
soft

Substitution factor

NaOH SAP A 0.1410NaOH SAP B 0.1330A / B = 0.1410 / 0.1330

1.0602

Multiply your lye amount by 1.0602 when swapping Beef Tallow for Avocado Oil.

Inverse 0.9433 when swapping Avocado Oil for Beef Tallow.

500 g swap · pure NaOH

500 g Beef Tallow
70.50 g NaOH
500 g Avocado Oil
66.50 g NaOH
Lye_A = Lye_B × factor
66.50 × 1.0602 = 70.50
Reverse pair

Constants

SAP, iodine, INS

MetricBeef TallowAvocado OilΔ A−B
NaOH SAP (pure)

0.1410

0.1330

+0.0080
KOH SAP (pure)

0.1990

0.1860

+0.0130
KOH SAP (90%)

0.2211

0.2067

+0.0144
Iodine value

45

86

-41
INS

147

99

+48
Max % of oils

50%

20%

+30
Hardness class

hard

soft

—
Trace

slows

slows

—
INCI (pre-sap)

Tallow

Persea Gratissima (Avocado) Oil

—
INCI NaOH salt

Sodium Tallowate

Sodium Avocadoate

—
INCI KOH salt

Potassium Tallowate

Potassium Avocadoate

—

Fatty acids

Eight-acid profile

MetricBeef TallowAvocado OilΔ A−B
Lauric C12:0

2.0%

0.0%

+2.0
Myristic C14:0

3.0%

0.0%

+3.0
Palmitic C16:0

29.0%

20.0%

+9.0
Stearic C18:0

18.0%

2.0%

+16.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

58.0%

-16.0
Linoleic C18:2

3.0%

12.0%

-9.0
Linolenic C18:3

1.0%

1.0%

0.0

Quality

Physical contribution

MetricBeef TallowAvocado OilΔ A−B
Hardness

52.0

22.0

+30.0
Cleansing

5.0

0.0

+5.0
Conditioning

46.0

71.0

-25.0
Bubbly lather

5.0

0.0

+5.0
Creamy lather

47.0

22.0

+25.0
Longevity

47.0

22.0

+25.0