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ALNUS JAPONICA LEAF/STEM WATER

CAS -
77

Safety score · 0–100

Fine

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

About

A Japanese alder leaf water from a tree used in traditional East Asian medicine, generally considered safe in topical applications.

Alnus japonica (Japanese alder) is used in traditional Japanese and Korean medicine. No EU cosmetic restrictions apply to this species. The leaf contains tannins and flavonoids. The steam distillate water form is significantly diluted and considered safe for cosmetic use at normal concentrations.

Skin benefits

  • Contains astringent tannins
  • Traditional skin-soothing use

Known concerns

  • Limited specific cosmetic safety data

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.