MACADAMIA INTEGRIFOLIA/TETRAPHYLLA SEED OIL

Emollient

90

Excellent

CAS Number: 438545-25-6

About MACADAMIA INTEGRIFOLIA/TETRAPHYLLA SEED OIL

Macadamia nut oil — one of the closest plant oils to human sebum. Absorbs beautifully, deeply nourishing, and great for dry or aging skin. Extremely well tolerated.

Detailed Analysis

Macadamia Integrifolia/Tetraphylla Seed Oil (CAS 438545-25-6) is expressed from seeds of Macadamia integrifolia and M. tetraphylla. Uniquely rich in palmitoleic acid (16-23%), which closely mimics human skin sebum composition and declines with age. Also contains oleic acid (55-65%), palmitic acid, and stearic acid. Functions as a skin conditioning emollient. Excellent spreadability and absorption. Non-comedogenic despite rich composition. No GHS hazards, no EU restrictions. CIR reviewed as safe.

What It Does

SKIN CONDITIONING - EMOLLIENT SKIN CONDITIONING

Skin Benefits

  • ✓ High palmitoleic acid content mimics skin sebum
  • ✓ Exceptional absorption — non-greasy feel
  • ✓ Deeply moisturizing for dry and mature skin
  • ✓ Anti-inflammatory oleic acid
  • ✓ Helps restore skin barrier function

Known Concerns

  • ⚠ Tree nut allergy — caution for individuals with nut allergies
  • ⚠ Rare contact dermatitis cases reported

Safety Score

90

Excellent

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.