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Fragrance ingredient

3,4-DIHYDRO-6-METHYLNAPHTHALENONE

CAS 51015-29-3
35

Safety score · 0–100

Caution

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

A synthetic ketone fragrance ingredient providing musky-woody notes in perfumery. Limited public safety data and broad fragrance-class concerns suggest caution for those with sensitive or reactive skin.

Skin benefits

  • Aromatic fragrance ingredient adding musky/woody notes
  • Used at very low percentages in perfume compositions
  • Provides olfactory diversity in formulations

Known concerns

  • Synthetic naphthalenone derivative with limited safety data
  • Fragrance ingredients are common skin sensitizers
  • Potential for photoreactivity in some naphthalenone analogs
  • Class includes known allergens

References

EU

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, so always read the physical product label and consult a healthcare professional for personal concerns.