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Hydroxyacetophenone

Hydroxyacetophenone
Also known as: Acetophenone
PreservativeAntioxidant

A gentle preservative booster with mild antioxidant action.

Skin types
All types
Pore-clogging
Won't clog pores
Use when
Morning
Concentration
0.5–1%
What it does

Hydroxyacetophenone is used alongside other preservatives to extend their effectiveness, letting formulators use less of the harsher ones. It also has mild antioxidant activity, which helps protect a formula from oxidising. It is well tolerated and appears in many products aimed at sensitive skin.

Benefits
  • Lets formulas use gentler preservative systems
  • Mild antioxidant protection for the formula itself
How to layer
☀️ Morning routine
Cleanser
Toner
Serum
Moisturiser
SPF
After cleansing, before moisturiser
Good for
All skin
How to use

A base ingredient. No special application needed.

Typical concentration: 0.5–1% in formulations