Head-to-head

Shea Butter (Unrefined) vs Neem Oil

hard
soft

Substitution factor

NaOH SAP A 0.1280NaOH SAP B 0.1387A / B = 0.1280 / 0.1387

0.9229

Multiply your lye amount by 0.9229 when swapping Shea Butter (Unrefined) for Neem Oil.

Inverse 1.0836 when swapping Neem Oil for Shea Butter (Unrefined).

500 g swap · pure NaOH

500 g Shea Butter (Unrefined)
64.00 g NaOH
500 g Neem Oil
69.35 g NaOH
Lye_A = Lye_B × factor
69.35 × 0.9229 = 64.00
Reverse pair

Constants

SAP, iodine, INS

MetricShea Butter (Unrefined)Neem OilΔ A−B
NaOH SAP (pure)

0.1280

0.1387

-0.0107
KOH SAP (pure)

0.1790

0.1945

-0.0155
KOH SAP (90%)

0.1989

0.2161

-0.0172
Iodine value

60

72

-12
INS

116

123

-7
Max % of oils

15%

10%

+5
Hardness class

hard

soft

—
Trace

slows

accelerates

—
INCI (pre-sap)

Butyrospermum Parkii (Shea) Butter

Azadirachta Indica (Neem) Seed Oil

—
INCI NaOH salt

Sodium Shea Butterate

Sodium Neemate

—
INCI KOH salt

Potassium Shea Butterate

Potassium Neemate

—

Fatty acids

Eight-acid profile

MetricShea Butter (Unrefined)Neem OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

0.0%

0.0%

0.0
Palmitic C16:0

5.0%

18.0%

-13.0
Stearic C18:0

40.0%

18.0%

+22.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

48.0%

52.0%

-4.0
Linoleic C18:2

6.0%

9.0%

-3.0
Linolenic C18:3

0.0%

0.0%

0.0

Quality

Physical contribution

MetricShea Butter (Unrefined)Neem OilΔ A−B
Hardness

45.0

36.0

+9.0
Cleansing

0.0

0.0

0.0
Conditioning

54.0

61.0

-7.0
Bubbly lather

0.0

0.0

0.0
Creamy lather

45.0

36.0

+9.0
Longevity

45.0

36.0

+9.0