Macadamia ternifolia seed oil
AKA “Bushnut
Oil
Ingredient Facts
Macadamia ternifolia seed oil
AKA: Bushnut
Oil · Emollient · EWG: 1
Plant-Derived
Emollient
Skin Conditioner
Clean
Macadamia Ternifolia Seed Oil is the fixed oil obtained from the nuts of the Bushnut, Macadamia ternifolia, Proteaceae. It consists primarily of the glycerides of the fatty acids
Effective at 15.0%
Family
Proteaceae (Protea family)
Plant Part
Seed
Lifeform
Tree
Climate
Wet tropical
CAS #
128497-20-1, 129811-19-4
Form
Oil
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Used by indigenous Australians and Hawaiian populations for centuries as a nourishing skin and hair treatment. The oil became popular in modern skincare in the 1980s after commercial cultivation expanded, valued for its similarity to skin's natural oils and high oleic acid content.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Macadamia)
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
6e-05%
30.0%
0%100%
Effective Range
CIR reported use: 0.00006-5 | 0.0003-30
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR