Astringent
QUERCUS INFECTORIA FRUIT EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Tannin-rich extract of oak gall used as a strong astringent and antimicrobial. Generally well tolerated in rinse-off and toners, but heavy tannin content can dry skin or irritate compromised barriers.
Function
Skin benefits
- High tannin content gives strong astringent action
- Antimicrobial against skin pathogens
- Anti-inflammatory polyphenols
- Traditional wound-care use
Known concerns
- High tannin load can dry or tighten skin
- Possible irritation on broken skin
- Limited cosmetic-specific safety data
- Contact allergy possible in sensitive users
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related astringents
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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.