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Fragrance

MELALEUCA QUINQUENERVIA LEAF OIL

Updated
50

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Niaouli oil — a tea-tree relative rich in 1,8-cineole and viridiflorol. Useful antimicrobial and aromatic, but cineole irritation, oxidation-driven sensitisation, and cross-reactivity with tea tree oil keep it in the cautious band.

Function

FRAGRANCE

Skin benefits

  • Camphoraceous antimicrobial fragrance
  • Used as fragrance and antiseptic
  • Cineole-driven decongestant aroma

Known concerns

  • 1,8-Cineole irritant on skin and mucosa
  • Sensitisation cross-reactive with tea tree oil
  • Oxidation worsens sensitisation
  • EU CosIng restricts related Melaleuca oils

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.