Antimicrobial
SODIUM HINOKITIOL
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
The sodium salt of hinokitiol — a tropolone from hinoki cypress with antimicrobial activity, used as a preservative alternative. Effective in low amounts; some sensitization potential.
Function
Skin benefits
- Broad-spectrum antimicrobial preservative
- Plant-derived (hinoki cypress)
- Effective at low concentrations
Known concerns
- Hinokitiol shows zinc-chelating activity that may cause skin irritation
- Some sensitization reports
- Use levels are restricted in Japan; EU CosIng usage less documented
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antimicrobials
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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.