Macadamia Oil: Complete Guide for Omega-7 & Barrier Repair
Macadamia Oil: Complete Guide for Omega-7 & Barrier Repair
Macadamia ternifolia seed oil is a luxurious Australian botanical oil prized for its rare palmitoleic acid content (omega-7 fatty acid) that closely mimics the natural oils found in youthful skin. This makes it exceptionally effective for barrier repair, anti-aging, and deep moisture without heaviness.

Key Benefits
- Rich in Palmitoleic Acid (Omega-7) – Rare fatty acid that decreases with age; replenishes skin's natural lipid barrier
- Biomimetic Properties – Closely resembles skin's natural sebum for superior absorption and compatibility
- Anti-Aging Support – Helps reduce appearance of fine lines and improves skin elasticity
- Barrier Repair – Strengthens skin's protective barrier and reduces transepidermal water loss
- Lightweight Texture – Despite being deeply nourishing, absorbs quickly without greasy residue
- Non-Comedogenic – Won't clog pores; suitable for all skin types including acne-prone
- Mature Skin Support – Particularly beneficial for aging skin that has lost natural palmitoleic acid

Fatty Acid Profile
Macadamia oil's unique composition makes it exceptional for skincare:

- Palmitoleic Acid (Omega-7): 15-25% – Rare monounsaturated fatty acid that decreases with age; supports skin regeneration and barrier function
- Oleic Acid (Omega-9): 55-65% – Deeply moisturizing; enhances penetration of other ingredients
- Palmitic Acid: 7-10% – Saturated fatty acid that supports skin barrier
- Linoleic Acid (Omega-6): 1-3% – Essential fatty acid for skin health
- Stearic Acid: 2-5% – Emollient properties for smooth skin texture
The Omega-7 Advantage
Palmitoleic acid (omega-7) is what makes macadamia oil truly special:
- ✓ Naturally present in youthful skin but decreases significantly with age
- ✓ Helps skin retain moisture and maintain elasticity
- ✓ Supports wound healing and skin regeneration
- ✓ Reduces inflammation and soothes irritated skin
- ✓ Mimics skin's natural sebum for superior absorption
- ✓ Particularly beneficial for mature, dry, and damaged skin

Skin Benefits
Anti-Aging & Mature Skin
Macadamia oil is exceptional for aging skin because it replenishes palmitoleic acid that naturally decreases with age. This helps improve skin elasticity, reduce fine lines, and restore a more youthful appearance.
Barrier Repair & Protection
The oil's fatty acid profile closely matches skin's natural lipid barrier, making it highly effective for repairing damaged barriers, reducing sensitivity, and protecting against environmental stressors.
Deep Moisture Without Heaviness
Despite being deeply nourishing, macadamia oil has a lightweight, silky texture that absorbs quickly. The high oleic acid content allows it to penetrate deeply without leaving a greasy residue.
Suitable for All Skin Types
The biomimetic nature of macadamia oil makes it compatible with all skin types. Even oily and acne-prone skin can benefit, as it helps balance sebum production rather than adding excess oil.
How to Use Macadamia Oil
For Face
Apply 2-4 drops to cleansed skin morning or evening. Can be used alone or mixed with moisturizer. Particularly effective for mature, dry, or barrier-compromised skin.
For Body
Apply to damp skin after bathing for maximum absorption. Excellent for dry areas like elbows, knees, and hands. The lightweight texture makes it perfect for daily use.
For Hair & Scalp
Macadamia oil is also excellent for hair care. Apply to ends to reduce frizz and add shine, or use as a scalp treatment to nourish and moisturize.
Best For
- ✨ Mature & Aging Skin – Replenishes palmitoleic acid lost with age
- 🛡️ Barrier Repair – Strengthens compromised skin barriers
- 💧 Dry Skin – Deep moisture without heaviness
- 🌸 Sensitive Skin – Gentle, biomimetic, and soothing
- ⚖️ Balanced Hydration – Suitable for all skin types including oily
- 🌿 Natural Anti-Aging – Gentle alternative to harsh actives

Comedogenic Rating
Rating: 2 (Low)
Macadamia oil has a low comedogenic rating of 2 out of 5, meaning it's unlikely to clog pores for most people. Its biomimetic properties actually help balance sebum production, making it suitable even for acne-prone skin when used appropriately.
Scientific Research
Research on palmitoleic acid (omega-7) shows:
- Supports skin barrier function and reduces transepidermal water loss
- Demonstrates anti-inflammatory properties
- Aids in wound healing and tissue regeneration
- Decreases significantly in skin with age, making supplementation beneficial
- Helps maintain skin elasticity and firmness
Products Featuring Macadamia Oil
Explore our products that harness the power of macadamia oil:
- Silken Twelve Body Oil – 12-oil democratic blend featuring macadamia
- Citrus Coast Body Oil – Anti-aging body oil with bakuchiol and macadamia
Frequently Asked Questions
Q: Is macadamia oil good for oily skin?
A: Yes! Despite being nourishing, macadamia oil is lightweight and non-comedogenic. Its biomimetic properties help balance sebum production rather than adding excess oil. Use sparingly (2-3 drops) on damp skin.
Q: How is macadamia oil different from other oils?
A: Macadamia oil is unique for its high palmitoleic acid (omega-7) content, which closely mimics the natural oils in youthful skin. This makes it exceptionally compatible with skin and particularly beneficial for mature skin that has lost natural palmitoleic acid.
Q: Can I use macadamia oil on my face?
A: Absolutely! Macadamia oil is excellent for facial use. Its lightweight texture and biomimetic properties make it ideal for all skin types. Use 2-4 drops after cleansing and before moisturizer.
Q: Does macadamia oil help with wrinkles?
A: Yes. Macadamia oil's palmitoleic acid content helps improve skin elasticity and firmness, which can reduce the appearance of fine lines and wrinkles. It's particularly effective for mature skin that has lost natural omega-7 fatty acids.
Q: How long does macadamia oil last?
A: Macadamia oil has good stability due to its high monounsaturated fat content. Store in a cool, dark place and it should last 1-2 years. Refrigeration can extend shelf life.
Storage & Shelf Life
Store macadamia oil in a cool, dark place away from direct sunlight. The high monounsaturated fat content gives it good oxidative stability. Properly stored, it maintains quality for 1-2 years. Refrigeration can extend shelf life but may cause the oil to solidify; it will return to liquid at room temperature.
Learn more about botanical oils in our Knowledge Center or explore our complete Ingredient Encyclopedia.
"This information is for educational purposes. These statements have not been evaluated by the FDA. Our products are not intended to diagnose, treat, cure, or prevent any disease."