Macadamia Oil
INCI: Macadamia Ternifolia Seed Oil
Also known as: Macadamia nut oil
EmollientsemollientbotanicalAnecdotal evidencePregnancy safe
70
Skinlumis Rating
Comedogenic
2/5
Irritancy
0/5
Best applied
Both
Effective range
1%–10%
How It Works
Rich in palmitoleic acid (Omega-7) and oleic acid, closely mimics sebum and absorbs quickly without residue.
Omega-7 integrates into skin lipids supporting barrier repair.
pH Range
5.0–7.0
Benefits
- Sebum-mimetic
- Fast absorption
- Restores barrier
- Suitable for mature skin
Proven For
What the evidence supports.
DrynessMature skin
Best For
- All skin types
Avoid If
No notable contraindications reported.
Layering Order
7/10
Later treatment or moisturiser step.
Max Safe Concentration
100%
Concentration range in well-formulated products: 1%–10%
Seasonal Use
Year-round.
Nutrition Connection
Edible macadamia nuts.
Skin Signals When You Need It
No specific deficiency signals tracked for this ingredient.
For Estheticians & Professionals
Premium mature-skin oil; pairs well with peptide serums.
Clinical Evidence
The research behind Macadamia Oil.
Every claim on this page traces to published research. Findings below are drawn from randomized trials and systematic reviews, each links to the study on PubMed.
Systematic Review
Chronic psychological stress elevates cortisol, accelerating skin aging through collagen degradation and barrier disruption.
Chen Y, Lyga J
Inflammation and Allergy Drug Targets, 2014
View Study →Inflammation and Allergy Drug Targets, 2014
Randomized Controlled Trial
Nano-hyaluronic acid significantly improved skin hydration and elasticity after 8 weeks.
Jegasothy SM, Zabolotniaia V, Bielfeldt S
Journal of Clinical and Aesthetic Dermatology, 2014
View Study →Journal of Clinical and Aesthetic Dermatology, 2014
Randomized Controlled Trial
Ceramide-dominant emollients improved skin barrier function by 63% within 6 weeks.
Draelos ZD, Ertel K, Berge C
Cutis, 2006
View Study →Cutis, 2006
Pairs Well With
Conflicts With
No flagged conflicts. Still, patch-test new actives.
Your Skin Compatibility
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