Surfactant ingredient
PEG-12 Diisostearate
INCI: PEG-12 DIISOSTEARATE
A PEG ester of isostearic acid used as an emulsifier in oil-based cleansers to disperse oils in water for rinsing.
emulsifiersolubilizer
Benefits
- ✓Solubilizes oils in water-based cleansers
- ✓Leaves skin feeling conditioned after rinsing
Watch for
- ⚠PEG-derived; low penetration concern at cosmetic concentrations
In depth
What it does
A PEG ester of isostearic acid used as an emulsifier in oil-based cleansers to disperse oils in water for rinsing. As an surfactant ingredient, it is particularly valued for solubilizes oils in water-based cleansers and leaves skin feeling conditioned after rinsing.
How to use it
Used as part of a cleanser, so placement is straightforward — it's your first step, applied to damp skin and rinsed off thoroughly. Avoid overwashing, which can disrupt the skin barrier.