Hydroxyacetophenone (commonly 4-Hydroxyacetophenone) is used in skincare primarily as an antioxidant and soothing agent that helps stabilize formulations and may enhance the efficacy of preservative systems. It is generally regarded as a low-irritation ingredient suitable for sensitive skin formulations.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Rare | Occasional transient redness or stinging, typically in sensitive individuals. |
Allergic contact dermatitis | Very rare | Isolated reports of contact sensitization; uncommon relative to other cosmetic ingredients. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.