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Title: Polyquaternium  
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Subject: Quaternium, Conditioner (chemistry), Personal lubricant, Shampoo, Cosmetics chemicals
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Polyquaternium is the International Nomenclature for Cosmetic Ingredients designation for several polycationic polymers that are used in the personal care industry. Polyquaternium is a neologism used to emphasize the presence of quaternary ammonium centers in the polymer. INCI has approved at least 37 different polymers under the polyquaternium designation. Different polymers are distinguished by the numerical value that follows the word "polyquaternium". Polyquaternium-5, polyquaternium-7, and polyquaternium-47 are three examples, each a chemically different type of polymer. The numbers are assigned in the order in which they are registered rather than because of their chemical structure.

Polyquaterniums find particular application in conditioners, shampoo, hair mousse, hair spray, hair dye, and contact lens solutions. Because they are positively charged, they neutralize the negative charges of most shampoos and hair proteins and help hair lie flat. Their positive charges also ionically bond them to hair and skin. Some have antimicrobial properties.

List of Polyquaterniums
Polyquaternium Chemical Identity
Polyquaternium-1 Ethanol, 2,2',2 ' ' -nitrilotris-, polymer with 1,4-dichloro-2-butene and N,N,N',N'-tetramethyl-2-butene-1,4-diamine
Polyquaternium-2 Poly[bis(2-chloroethyl) ether-alt-1,3-bis[3-(dimethylamino)propyl]urea]
Polyquaternium-4 Hydroxyethyl cellulose dimethyl diallylammonium chloride copolymer; Diallyldimethylammonium chloride-hydroxyethyl cellulose copolymer
Polyquaternium-5 Copolymer of acrylamide and quaternized dimethylammoniumethyl methacrylate
Polyquaternium-6 Poly(diallyldimethylammonium chloride)
Polyquaternium-7 Copolymer of acrylamide and diallyldimethylammonium chloride
Polyquaternium-10 Quaternized hydroxyethyl cellulose
Polyquaternium-11 Copolymer of vinylpyrrolidone and quaternized dimethylaminoethyl methacrylate
Polyquaternium-15 Acrylamide-dimethylaminoethyl methacrylate methyl chloride copolymer
Polyquaternium-16 Copolymer of vinylpyrrolidone and quaternized vinylimidazole
Polyquaternium-22 Copolymer of acrylic acid and diallyldimethylammonium Chloride
Polyquaternium-28 Copolymer of vinylpyrrolidone and methacrylamidopropyl trimethylammonium
Polyquaternium-32 Poly(acrylamide 2-methacryloxyethyltrimethyl ammonium chloride)
Polyquaternium-37 Poly(2-methacryloxyethyltrimethylammonium chloride)
Polyquaternium-39 Terpolymer of acrylic acid, acrylamide and diallyldimethylammonium Chloride
Polyquaternium-42 Poly[oxyethylene(dimethylimino)ethylene (dimethylimino)ethylene dichloride]
Polyquaternium-46 Terpolymer of vinylcaprolactam, vinylpyrrolidone, and quaternized vinylimidazole
Polyquaternium-47 Terpolymer of acrylic acid, methacrylamidopropyl trimethylammonium chloride, and methyl acrylate

See also

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