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INCI ingredient

Hydroxyacetophenone

A synthetic antioxidant that helps preservatives work.

What it triggers

  • Vegan originYesno animal source
  • FragranceNonot a perfume ingredient
  • ParabenNonot a preservative of this family
  • SulfateNonot a sulfate surfactant
  • SiliconeNonot a silicone
  • AlcoholNonot a drying alcohol

What it does

Hydroxyacetophenone is a small molecule with antioxidant activity that also boosts the effect of preservatives, so brands can use less of them. It is common in products marketed as gentle or minimal. CosIng lists it as an antioxidant.

It is synthetic and affects none of the six checks.

Functions: antioxidant

Products with Hydroxyacetophenone

in 317 products

Showing 24 of 317 products with this ingredient, most scanned first.

In the EU ingredient database

Functions listed by CosIng
  • antioxidant
  • antioxidant: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.

CAS 99-93-4 · EC 202-802-8

EU regulation

Not on a restricted-substances annex. Listed as an allowed cosmetic ingredient.

Source: CosIng, European Commission. Informative, no legal value; the regulation text is the reference.

Classification from the INCI name; product lists from Open Beauty Facts.Report a mistake