What is "POLYQUATERNIUM-51" and what does it do?
Role: HUMECTANT
Family:
Comedogenic index: 0
Polyquaternium-51 is a large synthetic quaternary ammonium compound, which means it's a bulky molecule whose unique amphiphilic structure (hydrophilic and lipophilic properties) gives it conditioning and film-forming properties for skin and hair.
Find out more about "Inci" cosmetic ingredients