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PQ 39 ( Polyquaternium 39 )Polyquaternium 39 Closely related to the keratin found in hair and skin, Polyquaternium 39 is a quaternized terpolymer. It isexcellent for use in shampoos and conditioners, and lends to moisturization and silky-smooth feeling to body washes and skin creams.Polyquaternium-39 isa synthetic polymer used in both skin care and hair care products. It can serve multiple functions, including as an anti-static agent, film-forming agent, and hair fixative. Polyquaternium-39 is used in cosmetics in concentrations up to 3% for both rinse-off and leave-on products.Polyquaternium-39 is primarily a conditioning agent that greatly improves the health of skin and hair. It isa colorless, viscous liquid that has a mild aldehydic odor. It also acts as a surfactant that reduces the surface tension of other ingredients present in a product to make it more stable. Case No.: 25136-75-8HS Code : 39119090IUPAC Name: 2-Propenamidemolecular weight =1.5 x 106 Appearance colorless clear viscous liquid Solid 10 0.5 Percent pH (1% water solution), 25C 5-8 Viscosity, 25C