Other
ETHYL HYDROXYPYRONE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Ethyl Hydroxypyrone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
Ethyl hydroxypyrone (2-ethyl-3-hydroxy-4H-pyran-4-one, also known as ethyl maltol) is a pyrone derivative used for its sweet, warm, caramel-like fragrance and flavor properties. The SCCS has noted contact allergy concerns at concentrations exceeding 0.001% in leave-on products; however, it is not listed in EU Cosmetics Regulation Annexes II–VI. When used at appropriate levels in rinse-off or properly formulated leave-on products, sensitization risk is low.
Skin benefits
- fragrance material with sweet, warm character
- enhances sensory experience of cosmetic formulations
Known concerns
- contact allergy concern at high concentrations (SCCS notes >0.001% in leave-on products)
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.