Fragrance allergen
BETA-IONONE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Beta-ionone is a woody-violet fragrance ingredient widespread in perfumes and rinse-off products. It is a recognised allergen, regulated by IFRA, and must be declared on EU labels above threshold.
Skin benefits
- Provides warm, woody, violet-floral notes prized in perfumery
- Used at low ppm levels with a long fragrance history
Known concerns
- IFRA restricts use in leave-on cosmetics due to sensitisation potential
- Listed among the 26 fragrance allergens that must be declared on labels above thresholds
- Can trigger contact dermatitis in sensitised individuals
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related fragrance allergens
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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.