Antimicrobial / preservative booster
HINOKITIOL
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Hinokitiol is a natural tropolone from hinoki cypress with antimicrobial, anti-inflammatory, and antioxidant properties. It is widely used in Asian skincare and oral care, with regulated maximum levels in finished products.
Skin benefits
- Naturally occurring tropolone with antimicrobial activity
- Used in oral care, scalp, and skin formulations against acne and dandruff
- Has anti-inflammatory and antioxidant effects in lab studies
Known concerns
- Strong metal-chelating activity may interact with mineral nutrition concerns at high exposure
- Some animal studies suggest developmental effects at high doses
- Use levels are regulated in some jurisdictions including Japan and EU
References
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, so always read the physical product label and consult a healthcare professional for personal concerns.