Head-to-head

Avocado Oil vs Beef Tallow

soft
hard

Substitution factor

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

0.9433

Multiply your lye amount by 0.9433 when swapping Avocado Oil for Beef Tallow.

Inverse 1.0602 when swapping Beef Tallow for Avocado Oil.

500 g swap · pure NaOH

500 g Avocado Oil
66.50 g NaOH
500 g Beef Tallow
70.50 g NaOH
Lye_A = Lye_B × factor
70.50 × 0.9433 = 66.50
Reverse pair

Constants

SAP, iodine, INS

MetricAvocado OilBeef TallowΔ A−B
NaOH SAP (pure)

0.1330

0.1410

-0.0080
KOH SAP (pure)

0.1860

0.1990

-0.0130
KOH SAP (90%)

0.2067

0.2211

-0.0144
Iodine value

86

45

+41
INS

99

147

-48
Max % of oils

20%

50%

-30
Hardness class

soft

hard

Trace

slows

slows

INCI (pre-sap)

Persea Gratissima (Avocado) Oil

Tallow

INCI NaOH salt

Sodium Avocadoate

Sodium Tallowate

INCI KOH salt

Potassium Avocadoate

Potassium Tallowate

Fatty acids

Eight-acid profile

MetricAvocado OilBeef TallowΔ A−B
Lauric C12:0

0.0%

2.0%

-2.0
Myristic C14:0

0.0%

3.0%

-3.0
Palmitic C16:0

20.0%

29.0%

-9.0
Stearic C18:0

2.0%

18.0%

-16.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

58.0%

42.0%

+16.0
Linoleic C18:2

12.0%

3.0%

+9.0
Linolenic C18:3

1.0%

1.0%

0.0

Quality

Physical contribution

MetricAvocado OilBeef TallowΔ A−B
Hardness

22.0

52.0

-30.0
Cleansing

0.0

5.0

-5.0
Conditioning

71.0

46.0

+25.0
Bubbly lather

0.0

5.0

-5.0
Creamy lather

22.0

47.0

-25.0
Longevity

22.0

47.0

-25.0