5-METHYL-ALPHA-IONONE
Other
Moderate
CAS Number: 79-69-6
About 5-METHYL-ALPHA-IONONE
5-methyl-alpha-ionone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
Detailed Analysis
5-Methyl-alpha-ionone (CAS 79-69-6) is a substituted ionone used in fine fragrance compositions. Alpha-ionones are generally considered safe as fragrance ingredients, but some ionone derivatives have been subject to IFRA review for potential skin sensitization at high concentrations. No specific EU regulatory restrictions or concentration limits were identified in Regulation (EC) 1223/2009 for this specific compound. Standard allergen labeling requirements apply for ionone-class compounds at relevant concentrations.
Skin Benefits
- ✓ Fragrance ingredient with violet, woody scent
- ✓ Used in fine fragrance and cosmetic products
Known Concerns
- ⚠ Ionone derivatives may require allergen declaration above 0.01% in leave-on products (EU Annex III)
- ⚠ Some ionone derivatives reviewed for skin sensitization potential at high concentration
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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Download LuxSenseThis information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.