tetrahydrozoline
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Tetrahydrozoline is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
Tetrahydrozoline is an imidazoline derivative with alpha-adrenergic agonist activity used as an ophthalmic decongestant. Its chemical relationship to opioid compounds and pharmaceutical classification means it is not appropriate for cosmetic use, and it falls under EU Annex II restrictions for cosmetic ingredients.
Known concerns
- Pharmaceutical-derived compound
- EU Annex II restriction
- Not evaluated as cosmetic ingredient
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 — always read the physical product label and consult a healthcare professional for personal concerns.