Polyquaternium-103
INCI: POLYQUATERNIUM-103
Reviewed by Rosie · Last updated 18 Aug 2026
What Is Polyquaternium-103?
Polyquaternium-103 is the polymeric quaternary ammonium salt formed from hydroxyethylacrylate, sodium acryloyldimethyl taurate and phosphorylcholine methacrylate.
Its declared cosmetic functions are emulsion stabilising, opacifying and viscosity controlling.
Source: European Commission CosIng inventory.
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