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Antioxidant

HYDROXYACETOPHENONE

CAS 99-93-4 Updated
80

Safety score · 0–100

Good

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

About

4-Hydroxyacetophenone — a multifunctional antioxidant and preservative booster. Helps formulators use less preservative and adds mild soothing benefit.

Skin benefits

  • Antioxidant and preservative booster
  • Helps reduce preservative load
  • Soothing skin-conditioning agent
  • Well-tolerated at typical use levels

Known concerns

  • Rare contact sensitization reports

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.