Polyquaternium-33

Polyquaternium-33 (CAS 69418-26-4) is a cationic copolymer of acrylamide and quaternary ammonium acrylate used in personal care formulations. It functions as a conditioning and film-forming agent.

The polymer deposits a substantive charge on hair and skin surfaces to improve texture and manageability. In rinse-off hair care products such as shampoos and conditioners, it reduces static and improves wet combability.

It enhances the sensory feel of treated hair while leave-on styling formulations use it to provide flexible hold. This ingredient maintains a lightweight, non-tacky finish across various cosmetic applications.

Skin care and body wash products incorporate it to modify surface wetting behavior and deliver a smooth after-feel. It provides these benefits without leaving a heavy residue on the skin or hair surface.

It also functions as a rheology modifier in aqueous gel systems, contributing to viscosity stability. This stability is maintained across a wide range of formulation pH values for versatile manufacturing use.

Polyquaternium-33 is supplied as an aqueous solution, with active polymer content varying by grade. It is available in cosmetic-grade quality aligned with standard personal care industry specifications.

Buyers should confirm active content, charge density, and molecular weight range with suppliers. This ensures compatibility with target formulations and meets specific performance requirements for the final product.