Skip to content
preservative · antioxidant

Hydroxyacetophenone

Generally safe·Moderate evidence

A preservative and antioxidant that helps prevent microbial growth and oxidative degradation in formulas. Published assessments support its use at cosmetic levels.

Questions

Is hydroxyacetophenone safe in skincare?
Hydroxyacetophenone is graded as low concern in published safety reviews. It functions as a preservative booster and antimicrobial agent at very low concentrations in formulas.
What is hydroxyacetophenone used for?
This ingredient is used to extend the efficacy of traditional preservatives and protect formulas from bacterial and fungal contamination. It is particularly common in water-rich products like serums and essences.
Can it cause skin irritation?
At preservative levels, published data does not support broad irritation risk. Some individuals with barrier-compromised or highly reactive skin may experience sensitivity; if irritation develops, discontinue and consult a dermatologist.

Products with Hydroxyacetophenone

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.