Skip to content

MYRTENAL

CAS 564-94-3
52

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

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

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Check your shelf

Find MYRTENAL in your products.

Scan any cosmetic product with LuxSense to see if it contains MYRTENAL and get a full ingredient breakdown with safety scores.

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.