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Skin Conditioning

CRYPTOMERIA JAPONICA BARK

CAS 91771-60-7
70

Safety score · 0–100

Fine

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

About

Japanese cedar bark — a traditional botanical with mild astringent and fragrant terpene content. May sensitise fragrance-reactive skin.

Cryptomeria japonica bark (CAS 91771-60-7) is derived from the Japanese cedar tree (sugi). The bark contains diterpenes, sesquiterpenes (notably cryptomerione), tannins, and phenolics with mild antimicrobial and astringent activity. EU CosIng lists it for skin-conditioning and abrasive functions. No Annex II/III restrictions. Conifer essential-oil components can be mildly sensitising in people reactive to tree-terpene fragrances, so patch testing is advisable. No CIR or SCCS review specific to this species.

Skin benefits

  • Contains aromatic terpenes with mild antimicrobial effect
  • Tannin-rich, contributes mild astringency
  • Traditional Japanese botanical

Known concerns

  • Terpene content can sensitise fragrance-reactive skin
  • Limited cosmetic-specific safety data
  • Bark powders can be gritty, limiting rinse-off 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.