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RESACETOPHENONE

CAS 89-84-9
72

Safety score · 0–100

Fine

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

About

A phenolic ketone used in fragrance and as an intermediate in organic synthesis, with moderate skin sensitization potential.

Resacetophenone (2,4-dihydroxyacetophenone) is a phenolic ketone. It is used as a fragrance ingredient and UV absorber in cosmetics. The phenolic structure raises concerns for skin sensitization and cytotoxicity at high concentrations, but it is not specifically restricted under EU cosmetics regulation. No EU Annex II or III listing applies.

Skin benefits

  • UV-absorbing properties
  • Fragrance material

Known concerns

  • May cause skin sensitization in susceptible individuals
  • Cytotoxic at high concentrations

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