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5-METHYL-5-PHENYL-3-HEXANONE

CAS 4927-36-0
52

Safety score · 0–100

Moderate

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

5-methyl-5-phenyl-3-hexanone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

This hexanone derivative bears both methyl and phenyl substituents creating a branched aromatic ketone structure. The H317 classification indicates skin sensitization potential requiring IFRA safety evaluation. The phenyl-ketone arrangement represents a common fragrance pharmacophore, but the saturated ketone removes some reactivity concerns associated with unsaturated systems. Standard EU cosmetic allergen disclosure thresholds apply to this ingredient class.

Skin benefits

  • fragrance function

Known concerns

  • skin sensitizer (H317)
  • fragrance allergen disclosure required

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.