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CRYPTOMERIA JAPONICA STEM WATER

74

Safety score · 0–100

Fine

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

About

Japanese cedar water with anti-inflammatory and astringent properties, though thujone content requires monitoring.

Cryptomeria japonica (Japanese cedar or Sugi) stem water is a steam distillate containing volatile terpenes including monoterpenes and sesquiterpenes. The plant is widely used in traditional Japanese medicine and cosmetics. Limited specific toxicological data exists for the steam-distilled water form, though the ingredient is not specifically restricted under EU Regulation 1223/2009. The potential presence of thujone and related compounds in cupressaceae family extracts warrants monitoring for allergen declaration requirements under IFRA standards for fragrance ingredients.

Skin benefits

  • Astringent properties
  • Anti-inflammatory support
  • Traditional Japanese skincare use
  • Fragrance component

Known concerns

  • Contains potential fragrance allergens from cupressaceae family
  • Thujone content requires monitoring
  • Limited specific safety data for cosmetic use

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.