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Antimicrobial

THUJA OCCIDENTALIS LEAF/STEM EXTRACT

Updated
38

Safety score · 0–100

Caution

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

About

Thuja (white cedar) leaf and stem extract — contains thujone, a neurotoxic monoterpene restricted in EU cosmetics. Use is acceptable only with verified low-thujone fractions.

Function

ANTIOXIDANT

Skin benefits

  • Antimicrobial monoterpenes
  • Traditional homeopathic use
  • Aromatic conifer chemistry

Known concerns

  • Contains thujone — neurotoxic monoterpene with documented seizure risk on systemic exposure
  • EU restrictions on thujone in fragrances and cosmetics
  • Photosensitizing potential
  • Cosmetic use requires thujone control to be acceptable

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.