MYRTENAL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A monoterpene aldehyde found in myrtle and eucalyptus essential oils, used as a fragrance ingredient. Known sensitiser and subject to IFRA restrictions on use in leave-on products.
Myrtenal (p-menthadienal) is a monoterpene aldehyde occurring naturally in myrtle (Myrtus communis), eucalyptus, and some citrus oils. It is used as a fragrance ingredient contributing fresh, green, and slightly spicy notes. The SCCS and IFRA have identified it as a skin sensitiser requiring concentration restrictions, particularly in leave-on cosmetic products where maximum use levels are strictly limited.
Skin benefits
- Contributes fresh, natural green fragrance notes
Known concerns
- Skin sensitisation hazard requiring IFRA restrictions
- Limited to low concentrations in leave-on products
- Found in essential oils - allergen labelling applies
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.