Skin Conditioning
ALNUS JAPONICA EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An extract of Japanese alder, used for its antioxidant tannins and soothing reputation. Generally well tolerated, but birch-family allergens warrant caution for pollen-allergic users.
Function
Skin benefits
- Bark and leaves rich in diarylheptanoids and tannins with antioxidant action
- Traditional anti-inflammatory and skin-soothing use
- Astringent toning effect
Known concerns
- Tannin astringency can be drying at higher use levels
- Birch-family botanical may cross-react in birch-pollen-allergic users
- Limited published cosmetic safety data
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
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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.