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Hair Conditioning

THUJA ORIENTALIS EXTRACT

CAS 91770-83-1 Updated
55

Safety score · 0–100

Moderate

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

About

Oriental arborvitae (Platycladus/Thuja orientalis) extract — a Cupressaceae botanical popular in scalp formulas. Aqueous extracts are usually fine but thujone-family lineage warrants the cautious orange tier.

Function

ANTIMICROBIALASTRINGENTSKIN CONDITIONING - EMOLLIENTHUMECTANTSKIN CONDITIONING

Skin benefits

  • Polyphenol antioxidant content
  • Traditional scalp/hair use
  • Mild astringent toning

Known concerns

  • Cupressaceae thujone family lineage
  • Essential-oil sensitization potential
  • Limited cosmetic-grade safety data
  • Variable supplier purity

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.