murphyPolyquaternium-73
molecular structure · PubChem
AKA: Polyquaternium 73
Synthetic
Occlusive
Skin Conditioner
Hair Care
Clean
OriginSynthesized from acrylamide, methacrylate, and dimethylacrylamide monomers derived from petrochemical sources. Produced through free-radical polymerization of these monomers with quaternary ammonium salt functionality incorporated.
Polyquaternium-73 is a polymeric quaternary ammonium salt consisting of propyltrimonium chloride acrylamide, ethyltrimonium chloride methacrylate and dimethylacrylamide monomers; Propanaminium, N,N,N-trimethyl-3-(2-propenamido)-, chloride, polymer with N,N,N-trimethyl-2-(2-methyl-2-propenoyloxy)ethanaminium chloride and N,N-dimethyl-2-propenamide
CAS #
-
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Hair Fixing
Reduces Static
Creates Protective Barrier
Conditions Hair
Creates protective layer
Reduces flyaways
Softens and detangles hair
Holds hair in place
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR