Polyquaternium-55 is a copolymer, the polymeric quaternary ammonium salt,N,N-Dimethyl-N-[3-(2-methyl-2-propenoyl)aminopropyl]-1-dodecanaminium chloride, polymer with N-(3-dimethylaminopropyl)-2-methyl ...
Polyquaternium-55 is a copolymer, the polymeric quaternary ammonium salt,N,N-Dimethyl-N-[3-(2-methyl-2-propenoyl)aminopropyl]-1-dodecanaminium chloride, polymer with N-(3-dimethylaminopropyl)-2-methyl-2-propenamide and 1-ethenyl-2-pyrrolidinone
The number is a chronological reference to the date of registration.
It occurs as a colourless to light yellow liquid, soluble in water, insoluble in ester, hydrocarbons and ketone or in the form of a white powder.

What it is used for and where
Cosmetics
Hair fixative. This ingredient has the ability to create, with its protective film, stiffness and hold in the hair, and also has the ability to form, with its hydrophilic and elastic properties, bonds between the hair fibres, to keep the hair in a particular shape for a certain time.
CAS: 306769-73-3