Macadamia integrifolia (Macadamia) nut oil
AKA: Macadamia Tree, Macadamia Nut Oil
Allergen Warning
⚠️ Tree Nut (Macadamia)
Plant-Derived
Emollient
Skin Conditioner
Clean
Macadamia Integrifolia (Macadamia) Nut Oil is a cosmetic ingredient. Rated low hazard by EWG.
Family
Proteaceae (Protea family)
Plant Part
Nut
Lifeform
Tree
Climate
Wet tropical
CAS #
438545-25-6, 159518-86-2
Form
Oil
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Anti-Inflammatory
Antimicrobial
Fights Acne
Softens and smooths skin
Traditional Use
Traditionally used by Aboriginal Australians as a food and skin conditioning agent for centuries. Modern cosmetic adoption began in the 1980s after recognition of its high oleic acid content and skin compatibility.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR