Polyquaternium 37

Polyquaternium 37 (CAS 26161-33-1), also known as Methacryloyloxyethyltrimethylammonium chloride homopolymer, is a cationic conditioning polymer used in personal care and industrial formulations.

Where is Polyquaternium 37 used?

• Hair care: detangling in rinse-off and leave-on products
• Shampoos, conditioners and styling: frizz control and wet combability via a conditioning film on the hair shaft
• Skin care: incorporated into lotions
• Creams: thickens aqueous systems and enhances emulsion sensory profile
• Home care and industrial cleaning: suspension of actives and surface adhesion of cleaning agents
• Textile and paper processing: surface modifier for softness, antistatic performance and fiber bonding
• It functions as a rheology modifier and film-forming agent, building viscosity and delivering substantivity to treated surfaces.

Commercial specifications

• Active polymer concentrations typically 20% to 40%
• Industrial grades for textile, paper and cleaning applications where cosmetic purity standards are not required