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Botanical water

THUJA ORIENTALIS WATER

CAS 91770-83-1
68

Safety score · 0–100

Fine

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

Thuja water is the aromatic distillate of thuja foliage used as a resinous water-phase ingredient mainly in traditional scalp and hair tonics, where its coniferous character supports the herbal positioning.

Skin benefits

  • Used in traditional scalp and hair tonics
  • Acts as a water-phase ingredient in toners
  • Adds a resinous coniferous note
  • Has a long traditional cosmetic history in East Asia

Known concerns

  • Thuja plants contain thujone, a neurotoxic compound restricted in many products
  • Hydrosol can still carry trace aromatic actives
  • Caution typically advised in pregnancy
  • Limited modern cosmetic safety publications

References

EU

EU CosIng database

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

Related botanical waters

Same plant / compound family

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